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Seasonal Data

Seasonal Calendar

Know what's in season before you head out. 288+ seasonal guides covering mushroom foraging, fossil exposure windows, and metal detecting conditions across every major North American region.

288 seasonal guides across 4 seasons, 3 categories, and 24+ regions

All Seasonal Guides

Verified by TroveRadar Field Database
Updated March 2026
288+ Seasonal Guides

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288 matching entries

🌱

Spring Mushroom Foraging in the Pacific Northwest

morels, verpas, wood ears

This spring guide covers the Pacific Northwest, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmushroomsPacific Northwest
🌱

Spring Fossil Hunting in the Pacific Northwest

leaf-out river cuts, roadcuts in marine sediment, reservoir drawdown gravels

This spring guide covers the Pacific Northwest, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springfossilsPacific Northwest
🌱

Spring Metal Detecting in the Pacific Northwest

school grounds before irrigation, old timber camps, river beaches after freshets

This spring guide covers the Pacific Northwest, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmetal-detectingPacific Northwest
☀️

Summer Mushroom Foraging in the Pacific Northwest

chanterelles, lobster mushrooms, chicken of the woods

This summer guide covers the Pacific Northwest, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermushroomsPacific Northwest
☀️

Summer Fossil Hunting in the Pacific Northwest

desert side washes, coastal bluff float, alpine scree

This summer guide covers the Pacific Northwest, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summerfossilsPacific Northwest
☀️

Summer Metal Detecting in the Pacific Northwest

saltwater beaches, campgrounds, county fairgrounds

This summer guide covers the Pacific Northwest, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermetal-detectingPacific Northwest
🍂

Fall Mushroom Foraging in the Pacific Northwest

matsutake, hedgehogs, lion's mane

This fall guide covers the Pacific Northwest, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmushroomsPacific Northwest
🍂

Fall Fossil Hunting in the Pacific Northwest

storm-cut beaches, logging road cuts, dry creek benches

This fall guide covers the Pacific Northwest, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallfossilsPacific Northwest
🍂

Fall Metal Detecting in the Pacific Northwest

logged homesteads, harvested fields, storm-cut coast

This fall guide covers the Pacific Northwest, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmetal-detectingPacific Northwest
❄️

Winter Mushroom Foraging in the Pacific Northwest

velvet foot, turkey tail, oyster mushrooms

This winter guide covers the Pacific Northwest, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermushroomsPacific Northwest
❄️

Winter Fossil Hunting in the Pacific Northwest

wave-cut beaches, quarry spoil, winter river low water

This winter guide covers the Pacific Northwest, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

winterfossilsPacific Northwest
❄️

Winter Metal Detecting in the Pacific Northwest

low-tide beaches, research season, permission scouting

This winter guide covers the Pacific Northwest, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermetal-detectingPacific Northwest
🌱

Spring Mushroom Foraging in the California Coast

morels in burn scars, oyster mushrooms, wood ears

This spring guide covers the California Coast, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmushroomsCalifornia Coast
🌱

Spring Fossil Hunting in the California Coast

winter storm beach lag, coastal bluff falls, creek mouths

This spring guide covers the California Coast, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springfossilsCalifornia Coast
🌱

Spring Metal Detecting in the California Coast

storm-cut beaches, mission lawns after rain, dry lake recreation sites

This spring guide covers the California Coast, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmetal-detectingCalifornia Coast
☀️

Summer Mushroom Foraging in the California Coast

chanterelles, boletes, chicken of the woods

This summer guide covers the California Coast, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermushroomsCalifornia Coast
☀️

Summer Fossil Hunting in the California Coast

marine terrace shell beds, desert transit routes, quarry spoils

This summer guide covers the California Coast, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summerfossilsCalifornia Coast
☀️

Summer Metal Detecting in the California Coast

swimming beaches, old county fair sites, campgrounds

This summer guide covers the California Coast, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermetal-detectingCalifornia Coast
🍂

Fall Mushroom Foraging in the California Coast

hedgehogs, candy caps, lions mane

This fall guide covers the California Coast, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmushroomsCalifornia Coast
🍂

Fall Fossil Hunting in the California Coast

dry-season badlands, storm-cut beaches, foothill roadcuts

This fall guide covers the California Coast, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallfossilsCalifornia Coast
🍂

Fall Metal Detecting in the California Coast

surf beaches after swells, orchard sites, harvested vineyard margins

This fall guide covers the California Coast, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmetal-detectingCalifornia Coast
❄️

Winter Mushroom Foraging in the California Coast

velvet foot, turkey tail, oyster mushrooms

This winter guide covers the California Coast, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermushroomsCalifornia Coast
❄️

Winter Fossil Hunting in the California Coast

winter swell exposures, cool-weather desert trails, museum site checks

This winter guide covers the California Coast, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

winterfossilsCalifornia Coast
❄️

Winter Metal Detecting in the California Coast

research old resort maps, low-crowd beaches, detector maintenance

This winter guide covers the California Coast, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermetal-detectingCalifornia Coast
🌱

Spring Mushroom Foraging in the Sierra Nevada

burn morels, oyster mushrooms, scarlet cups

This spring guide covers the Sierra Nevada, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmushroomsSierra Nevada
🌱

Spring Fossil Hunting in the Sierra Nevada

snowmelt cuts, gold-rush tailings, roadcuts

This spring guide covers the Sierra Nevada, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springfossilsSierra Nevada
🌱

Spring Metal Detecting in the Sierra Nevada

snowmelt parks, mining camps, wagon road pullouts

This spring guide covers the Sierra Nevada, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmetal-detectingSierra Nevada
☀️

Summer Mushroom Foraging in the Sierra Nevada

king boletes, suillus, lactarius

This summer guide covers the Sierra Nevada, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermushroomsSierra Nevada
☀️

Summer Fossil Hunting in the Sierra Nevada

high-country quarries, desert flank washes, lake low water

This summer guide covers the Sierra Nevada, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summerfossilsSierra Nevada
☀️

Summer Metal Detecting in the Sierra Nevada

campgrounds, swim beaches, picnic groves

This summer guide covers the Sierra Nevada, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermetal-detectingSierra Nevada
🍂

Fall Mushroom Foraging in the Sierra Nevada

matsutake, hedgehogs, cauliflower mushrooms

This fall guide covers the Sierra Nevada, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmushroomsSierra Nevada
🍂

Fall Fossil Hunting in the Sierra Nevada

dry meadow exposures, mining camp spoil, river benches

This fall guide covers the Sierra Nevada, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallfossilsSierra Nevada
🍂

Fall Metal Detecting in the Sierra Nevada

burned campgrounds, drained reservoirs, ghost towns

This fall guide covers the Sierra Nevada, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmetal-detectingSierra Nevada
❄️

Winter Mushroom Foraging in the Sierra Nevada

oyster mushrooms, turkey tail, velvet foot

This winter guide covers the Sierra Nevada, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermushroomsSierra Nevada
❄️

Winter Fossil Hunting in the Sierra Nevada

cool-weather badlands, reservoir low-water finds, quarry piles

This winter guide covers the Sierra Nevada, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

winterfossilsSierra Nevada
❄️

Winter Metal Detecting in the Sierra Nevada

research season, snow-free foothill parks, historical society visits

This winter guide covers the Sierra Nevada, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermetal-detectingSierra Nevada
🌱

Spring Mushroom Foraging in the Southwest Highlands

burn morels, aspen oysters, scarlet cups

This spring guide covers the Southwest Highlands, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmushroomsSouthwest Highlands
🌱

Spring Fossil Hunting in the Southwest Highlands

wind-cleared badlands, arroyo benches, roadcuts

This spring guide covers the Southwest Highlands, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springfossilsSouthwest Highlands
🌱

Spring Metal Detecting in the Southwest Highlands

drywash camp sites, old ranch yards, school fields

This spring guide covers the Southwest Highlands, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmetal-detectingSouthwest Highlands
☀️

Summer Mushroom Foraging in the Southwest Highlands

boletes, suillus, oysters after monsoon

This summer guide covers the Southwest Highlands, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermushroomsSouthwest Highlands
☀️

Summer Fossil Hunting in the Southwest Highlands

monsoon wash-outs, badland gullies, petrified wood flats

This summer guide covers the Southwest Highlands, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summerfossilsSouthwest Highlands
☀️

Summer Metal Detecting in the Southwest Highlands

reservoir beaches, fairgrounds, campgrounds

This summer guide covers the Southwest Highlands, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

summermetal-detectingSouthwest Highlands
🍂

Fall Mushroom Foraging in the Southwest Highlands

matsutake in spruce-fir pockets, hedgehogs, puffballs

This fall guide covers the Southwest Highlands, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmushroomsSouthwest Highlands
🍂

Fall Fossil Hunting in the Southwest Highlands

post-monsoon gullies, state trust land trails, dinosaur country benches

This fall guide covers the Southwest Highlands, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallfossilsSouthwest Highlands
🍂

Fall Metal Detecting in the Southwest Highlands

ghost towns, post-monsoon washes, ranch dumps

This fall guide covers the Southwest Highlands, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

fallmetal-detectingSouthwest Highlands
❄️

Winter Mushroom Foraging in the Southwest Highlands

winter oysters, jelly fungi in riparian cottonwoods, turkey tail

This winter guide covers the Southwest Highlands, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermushroomsSouthwest Highlands
❄️

Winter Fossil Hunting in the Southwest Highlands

cool-desert hiking windows, wind-eroded shale, quarry spoil

This winter guide covers the Southwest Highlands, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

winterfossilsSouthwest Highlands
❄️

Winter Metal Detecting in the Southwest Highlands

winter desert camps, map work, access scouting

This winter guide covers the Southwest Highlands, where metal detecting opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

wintermetal-detectingSouthwest Highlands
🌱

Spring Mushroom Foraging in the Northern Rockies

burn morels, verpas, oyster mushrooms

This spring guide covers the Northern Rockies, where mushrooms opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springmushroomsNorthern Rockies
🌱

Spring Fossil Hunting in the Northern Rockies

snowmelt creek cuts, badlands benches, roadcuts

This spring guide covers the Northern Rockies, where fossils opportunities shift with weather, water levels, and access. Use it to time productive windows, focus on the right terrain, and avoid wasting trips on closed roads, blown-out rivers, or off-cycle habitats.

springfossilsNorthern Rockies

Showing 50 of 288 matching entries

🧭

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Why does seasonality matter for outdoor treasure hunting?
Timing is everything. Mushroom species fruit in specific temperature and moisture windows. Fossils become exposed after seasonal erosion, runoff, and freeze-thaw cycles. Metal detecting conditions change with soil moisture and ground frost. Our seasonal calendars help you hit peak windows instead of wasting trips.
How are regions defined?
We use ecoregion-based zones that reflect actual climate, geology, and biological patterns rather than arbitrary state boundaries. This means a 'Pacific Northwest spring' guide covers the conditions that actually affect that region, not a generic national average.
Can I get seasonal alerts?
The TroveRadar app sends push notifications when peak foraging, fossil exposure, or detecting windows open in your saved regions. Download the app to never miss a seasonal window.