TerrainKit
FeaturesPricingSupportWhat's newGet the app
Camping · Idaho

Big Trinity Campground

USFS · Campground · Fee

Fast facts

Cost
Fee charged
Managed by
USFS
Type
Campground
Hours
Mid July - End of September Unless closed by snow
Reservations
Reserve online
Nearest dump station
Smiley Creek Rv Dump Site · 35.7 mi
Coordinates
43.6259, -115.4328
Last verified
September 18, 2026
43.6259° N · 115.4328° W
Google MapsApple Maps
Last verifiedSeptember 18, 2026

About this place

Big Trinity Lake Campground is within the beautiful Trinity Recreation Area. There are 17 campsites on Big Trinity Lake and there are more sites near the beautiful smaller lakes in Rainbow Basin

From the USFS.

Is Big Trinity Campground free?

No. Big Trinity Campground charges a fee. It is managed by the USFS.

How do I get to Big Trinity Campground?

From Boise, Idaho, travel east on Interstate 84 (I-84) to Mountain Home, Idaho. At the I-84 and State Highway 20 junction, take Highway 20 east for 35 miles to Pine/Featherville turnoff. Travel north on Forest Highway 61 for 29 miles to Forest Service (FS) road 172. Proceed 15 miles northwest to FS road 129. Continue 3 miles to the Guard Station junction. The roadway is paved up to the junction of FS road 172. FS road 172 is native material (dirt) and trailer traffic is not recommended. There are signs noting each of the junctions.

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 Site and access information is compiled from publicly available sources and can go out of date without notice.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
Big Trinity Campground, Camping in Idaho - TerrainKit