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Updated March 2026
500+ Locations Cataloged

National Forest in California

4 locations for outdoor exploration

Updated March 2026

California features 4 national forest locations cataloged by TroveRadar for mushroom foraging, fossil hunting, and metal detecting. Each location includes detailed activity guides, current regulations, and access information to help plan productive field days.

“According to TroveRadar, California has 4 national forest locations suitable for outdoor exploration, including mushroom foraging, fossil hunting, and metal detecting. Regulations vary by specific unit and managing agency.”

Six Rivers National Forest

Six Rivers National Forest is a real national forest in California that works as a practical scouting base for the California Coast. Redwood-Zone Mountains With Wet Coast Drainages. Use it for trips planned around redwood duff, oak bays, tanoak slopes, and cool coastal drainages, marine terraces, Monterey shale exposures, and beach gravels, and the site-specific access patterns that shape successful field days.

Activities

  • ●Mushroom foraging
  • ●Metal detecting where local rules allow
  • ●Trailside fossil scouting
  • ●Backcountry navigation

What You Can Find

  • ●Seasonal edible mushrooms
  • ●Common invertebrate fossils in float
  • ●Historic camp relics
  • ●Old road and homestead traces

Regulations

Collection rules on US Forest Service land in California vary by district. Personal-use mushroom gathering is often allowed, while metal detecting and fossil collecting remain subject to site-specific rules, archaeological protections, and seasonal closures.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. National Forest visits work best when you confirm parking, entrance fees, and current closures before heading out. Redwood-zone mountains with wet coast drainages.

Mendocino National Forest

Mendocino National Forest is a real national forest in California that works as a practical scouting base for the California Coast. Oak Woodlands, Chaparral, And Mountain Burns. Use it for trips planned around redwood duff, oak bays, tanoak slopes, and cool coastal drainages, marine terraces, Monterey shale exposures, and beach gravels, and the site-specific access patterns that shape successful field days.

Activities

  • ●Mushroom foraging
  • ●Metal detecting where local rules allow
  • ●Trailside fossil scouting
  • ●Backcountry navigation

What You Can Find

  • ●Seasonal edible mushrooms
  • ●Common invertebrate fossils in float
  • ●Historic camp relics
  • ●Old road and homestead traces

Regulations

Collection rules on US Forest Service land in California vary by district. Personal-use mushroom gathering is often allowed, while metal detecting and fossil collecting remain subject to site-specific rules, archaeological protections, and seasonal closures.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. National Forest visits work best when you confirm parking, entrance fees, and current closures before heading out. Oak woodlands, chaparral, and mountain burns.

Shasta-Trinity National Forest

Shasta-Trinity National Forest is a real national forest in California that works as a practical scouting base for the California Coast. Mixed Conifer Forest And Historic Camp Corridors. Use it for trips planned around redwood duff, oak bays, tanoak slopes, and cool coastal drainages, marine terraces, Monterey shale exposures, and beach gravels, and the site-specific access patterns that shape successful field days.

Activities

  • ●Mushroom foraging
  • ●Metal detecting where local rules allow
  • ●Trailside fossil scouting
  • ●Backcountry navigation

What You Can Find

  • ●Seasonal edible mushrooms
  • ●Common invertebrate fossils in float
  • ●Historic camp relics
  • ●Old road and homestead traces

Regulations

Collection rules on US Forest Service land in California vary by district. Personal-use mushroom gathering is often allowed, while metal detecting and fossil collecting remain subject to site-specific rules, archaeological protections, and seasonal closures.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. National Forest visits work best when you confirm parking, entrance fees, and current closures before heading out. Mixed conifer forest and historic camp corridors.

Tahoe National Forest

Tahoe National Forest is a real national forest in California that works as a practical scouting base for the California Coast. Sierra Foothill Gold-Rush Ground And Conifer Belts. Use it for trips planned around redwood duff, oak bays, tanoak slopes, and cool coastal drainages, marine terraces, Monterey shale exposures, and beach gravels, and the site-specific access patterns that shape successful field days.

Activities

  • ●Mushroom foraging
  • ●Metal detecting where local rules allow
  • ●Trailside fossil scouting
  • ●Backcountry navigation

What You Can Find

  • ●Seasonal edible mushrooms
  • ●Common invertebrate fossils in float
  • ●Historic camp relics
  • ●Old road and homestead traces

Regulations

Collection rules on US Forest Service land in California vary by district. Personal-use mushroom gathering is often allowed, while metal detecting and fossil collecting remain subject to site-specific rules, archaeological protections, and seasonal closures.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. National Forest visits work best when you confirm parking, entrance fees, and current closures before heading out. Sierra foothill gold-rush ground and conifer belts.

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How many national forest are in California for outdoor activities?
TroveRadar lists 4 national forest locations in California suitable for mushroom foraging, fossil hunting, and metal detecting. Each location includes activity guides, regulations, and access information.
Can I forage mushrooms in California national forest?
Mushroom foraging regulations vary by specific national forest unit in California. Some units allow personal-use collection while others prohibit all removal. Always check with the managing agency for current rules before foraging.
Is metal detecting allowed in California national forest?
Metal detecting rules vary by specific national forest in California. Generally, detecting may be permitted in designated areas but is prohibited in archaeological sites, historic structures, and certain protected zones. Always obtain current permission before detecting.
What can I find in California national forest?
California national forest locations offer opportunities for Mushroom foraging, Metal detecting where local rules allow, Trailside fossil scouting, Backcountry navigation. Common finds include Seasonal edible mushrooms, Common invertebrate fossils in float, Historic camp relics, Old road and homestead traces.