TerrainKit
FeaturesPricingSupportWhat's newGet the app
Camping · Idaho

Castle Creek Campground

USFS · Campground · Free

Free

Fast facts

Cost
Free
Managed by
USFS
Type
Campground
Hours
End of May - End of September Unless closed by snow
Reservations
Reserve online
Nearest dump station
Smiley Creek Rv Dump Site · 43.1 mi
Coordinates
43.4111, -115.3949
Last verified
September 18, 2026
43.4111° N · 115.3949° W
Google MapsApple Maps
Last verifiedSeptember 18, 2026

About this place

Castle Rock Campground is located on Anderson Ranch Reservoir. There are two first come first serve campsites.

From the USFS.

Is Castle Creek Campground free?

Yes. Castle Creek Campground is free to use. It is managed by the USFS.

How do I get to Castle Creek Campground?

From Mountain Home, Idaho, travel north 21 miles along State Highway 20 to the Forest Service (FS) road 134 road turnoff.

Google MapsApple Maps

Nearby

SourceData from the USFS. Last synced September 18, 2026. Community reports and photos are submitted by travelers and are not verified by the agency.

Open it in TerrainKit.

This place, the sites around it, water and dumps on the way, all offline. The map is free. Trip planning and offline downloads are the paid part, and they start with a free trial.

Get it onGoogle Play

Android first. iOS is coming later.

TerrainKit
The offline map for free camp, water, dumps and overnight parking across the US. Built by people who live on the road. No ads, not on free, not on Pro, not ever.
Android first. iOS is coming later.
Disclaimer TerrainKit is an independent product with no affiliation with, sponsorship from or endorsement by the U.S. Forest Service, the Bureau of Land Management, the National Park Service or any other public agency. Site and access information is compiled from publicly available sources and can go out of date without notice. Confirm current rules, closures, fire restrictions and stay limits with the managing ranger district or field office before you camp.
© 2026 TerrainKit · terrainkit.app
47.5053° N · 111.3008° W
Castle Creek Campground, Free Camping in Idaho - TerrainKit