National Park Service
Near Arco, Idaho: $15/night, rigs to 35 ft. Open May through October. First-come, first-served · 51 sites.
National Park Service
Managing authority
Near Arco, Idaho
How much does camping at Lava Flow Campground (Craters of the Moon NM) cost, and when is it open?
Lava Flow Campground (Craters of the Moon NM) near Arco, Idaho (National Park Service) — camping fee $15/night, season May through October, RV size limit Up to 35 ft. Reservations: First-come, first-served · 51 sites — book direct through the official channel.
The numbers
Fee range
$15/night
Season open
May through October
RV size limit
Up to 35 ft
Reservation window
First-come, first-served · 51 sites
The insider read
Camp on a 2,000-year-old lava flow — surreal black-rock landscape. Bring closed shoes (sharp 'a'a lava). Dark-sky park; bring a red-light headlamp. Indian Tunnel lava-tube hike a 10-min drive.
Original analysis from PickRV — synthesised from public sources you can verify, pulling the operational details competitor guides typically skip.
Verify at nps.govOn site
Book it right
PickRV doesn't handle campground bookings — reserve direct through the official channel so policies and cancellations flow through one record.
Opens nps.gov
Every fact above is sourced from the managing agency's canonical page. Cross-check fee, season, and size limit before you depend on them.
Match the campground's size limit and hookup level to a vehicle category, then plan the rest of the trip.
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Nearby & related
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Before you go
Idaho rules
Verified 2026-05-10