Verified by TroveRadar Field Database
Updated March 2026
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State Park in Hawaii

Updated March 2026

State Park in Hawaii

6 locations for outdoor exploration

Hawaii features 6 state park 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, Hawaii has 6 state park locations suitable for outdoor exploration, including mushroom foraging, fossil hunting, and metal detecting. Regulations vary by specific unit and managing agency.

Kokee State Park

Kokee State Park is a real state park in Hawaii that works as a practical scouting base for the California Coast. High-Elevation Wet Forest And Introduced Mushroom Habitat. 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

  • Trail hiking
  • Nature photography
  • Seasonal shoreline scouting
  • Trip-planning basecamp

What You Can Find

  • Photo opportunities
  • Exposed shoreline stones
  • Old picnic-ground losses
  • Observe-only natural finds in protected zones

Regulations

State Park rules in Hawaii are site specific. Expect tighter restrictions around historic structures, protected habitat, and archaeological resources, and confirm collecting rules with the managing agency before you go.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. State Park visits work best when you confirm parking, entrance fees, and current closures before heading out. High-elevation wet forest and introduced mushroom habitat.

Hapuna Beach State Recreation Area

Hapuna Beach State Recreation Area is a real state park in Hawaii that works as a practical scouting base for the California Coast. Wide White-Sand Beach On The Big Island. 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

  • Trail hiking
  • Nature photography
  • Seasonal shoreline scouting
  • Trip-planning basecamp

What You Can Find

  • Photo opportunities
  • Exposed shoreline stones
  • Old picnic-ground losses
  • Observe-only natural finds in protected zones

Regulations

State Park rules in Hawaii are site specific. Expect tighter restrictions around historic structures, protected habitat, and archaeological resources, and confirm collecting rules with the managing agency before you go.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. State Park visits work best when you confirm parking, entrance fees, and current closures before heading out. Wide white-sand beach on the Big Island.

Wai'anapanapa State Park

Wai'anapanapa State Park is a real state park in Hawaii that works as a practical scouting base for the California Coast. Black-Sand Coast And Lava-Tube Shoreline. 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

  • Trail hiking
  • Nature photography
  • Seasonal shoreline scouting
  • Trip-planning basecamp

What You Can Find

  • Photo opportunities
  • Exposed shoreline stones
  • Old picnic-ground losses
  • Observe-only natural finds in protected zones

Regulations

State Park rules in Hawaii are site specific. Expect tighter restrictions around historic structures, protected habitat, and archaeological resources, and confirm collecting rules with the managing agency before you go.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. State Park visits work best when you confirm parking, entrance fees, and current closures before heading out. Black-sand coast and lava-tube shoreline.

Polihale State Park

Polihale State Park is a real state park in Hawaii that works as a practical scouting base for the California Coast. Long Remote Kauai Beach Backed By Dunes. 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

  • Trail hiking
  • Nature photography
  • Seasonal shoreline scouting
  • Trip-planning basecamp

What You Can Find

  • Photo opportunities
  • Exposed shoreline stones
  • Old picnic-ground losses
  • Observe-only natural finds in protected zones

Regulations

State Park rules in Hawaii are site specific. Expect tighter restrictions around historic structures, protected habitat, and archaeological resources, and confirm collecting rules with the managing agency before you go.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. State Park visits work best when you confirm parking, entrance fees, and current closures before heading out. Long remote Kauai beach backed by dunes.

Wailua River State Park

Wailua River State Park is a real state park in Hawaii that works as a practical scouting base for the California Coast. River Corridor And Fern-Rich Valley. 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

  • Trail hiking
  • Nature photography
  • Seasonal shoreline scouting
  • Trip-planning basecamp

What You Can Find

  • Photo opportunities
  • Exposed shoreline stones
  • Old picnic-ground losses
  • Observe-only natural finds in protected zones

Regulations

State Park rules in Hawaii are site specific. Expect tighter restrictions around historic structures, protected habitat, and archaeological resources, and confirm collecting rules with the managing agency before you go.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. State Park visits work best when you confirm parking, entrance fees, and current closures before heading out. River corridor and fern-rich valley.

Kaena Point State Park

Kaena Point State Park is a real state park in Hawaii that works as a practical scouting base for the California Coast. Remote Headland Trail And Surf-Cut Flats. 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

  • Trail hiking
  • Nature photography
  • Seasonal shoreline scouting
  • Trip-planning basecamp

What You Can Find

  • Photo opportunities
  • Exposed shoreline stones
  • Old picnic-ground losses
  • Observe-only natural finds in protected zones

Regulations

State Park rules in Hawaii are site specific. Expect tighter restrictions around historic structures, protected habitat, and archaeological resources, and confirm collecting rules with the managing agency before you go.

Access

Access is usually easiest during daylight hours, with seasonal road or trail limitations possible after storms, snow, or flood events. State Park visits work best when you confirm parking, entrance fees, and current closures before heading out. Remote headland trail and surf-cut flats.

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How many state park are in Hawaii for outdoor activities?
TroveRadar lists 6 state park locations in Hawaii suitable for mushroom foraging, fossil hunting, and metal detecting. Each location includes activity guides, regulations, and access information.
Can I forage mushrooms in Hawaii state park?
Mushroom foraging regulations vary by specific state park unit in Hawaii. 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 Hawaii state park?
Metal detecting rules vary by specific state park in Hawaii. 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 Hawaii state park?
Hawaii state park locations offer opportunities for Trail hiking, Nature photography, Seasonal shoreline scouting, Trip-planning basecamp. Common finds include Photo opportunities, Exposed shoreline stones, Old picnic-ground losses, Observe-only natural finds in protected zones.