The official RIDB collection A campsite field guide

Room for your rig.
Room to exhale.

Find your campsite with a little more certainty. Real site numbers, published RV limits, and the details worth checking before you go.

Search the national collection, or browse by state.

Have your measurements? Check my setup
A narrow path winds between moss-covered old-growth trees on the Eastside Trail at Ohanapecosh.
Eastside Trail, OhanapecoshNPS / C. Roundtree

5,941 campgrounds 117,509 site records in 51 states & territories

Snapshot Sep 21, 2026

A wider field of possibilities.

Choose your next stop.

Campgrounds in the official RIDB collection. Published facts, with the gaps left visible.

Search all 5,941 campgrounds

Start with a state.

Campground records in this snapshot

See all 51 states & territories in the collection

This is the official source collection, not every U.S. campground. Some records have detailed site limits; others still need verification. See exactly what is covered.

From the field guide

A few measurements.
A better starting point.

Your trailer length and your connected length answer different questions. Bring both, and we’ll check them against the published site limits.

Check my setup Read the length guide
Two measurements for a travel trailerMeasure the trailer separately, then measure the full connected tow vehicle and trailer from end to end. This is a conceptual diagram, not a campsite plan.Trailer lengthMeasured connected length
Two lengths. Two different limits.A driveway measurement doesn’t replace an equipment limit.

Make a shortlist.
Keep the questions that matter.

Compare published facts, see what’s missing, and take your notes with you. Your setup stays in your browser.See how we check each requirement