CampgroundsDB

Big Trinity Lake Campground

Its 17 sites are first-come, first-served (no reservations), and camping costs Single Site: $10 per night. Big Trinity Lake Campground is a National Forest campground near Mountain Home, Idaho.

First-come, first-served

National Forest · Mountain Home, Idaho

National Forest
Managed by

Big Trinity Lake Campground sits inside Boise National Forest. Its dispersed-camping rule, ranger offices, and boundary are on publiclandsdb.com.

Getting a site

Managed by
National Forest
Reservations
None, first-come
Fee
Single Site: $10 per night

Source: apps.fs.usda.gov, accessed 2026-09-30

Sites and hookups

Total sites
17
  • ✓ Toilets
  • ✓ Potable water

On site: Toilets and potable water.

Source: apps.fs.usda.gov, accessed 2026-09-30

Access and cell service

Elevation
7,879 ft

43.6259, -115.4328 in Elmore. Open in OpenStreetMap. Map © OpenStreetMap contributors.

Open in Google Maps Directions

Common questions

Do you need a reservation at Big Trinity Lake Campground?

No. Big Trinity Lake Campground is first-come, first-served: there is no reservation system, so arrive early to claim an open site.

How much does it cost to camp at Big Trinity Lake Campground?

Camping at Big Trinity Lake Campground costs Single Site: $10 per night.

How many campsites does Big Trinity Lake Campground have?

Big Trinity Lake Campground has 17 campsites.

Is there drinking water at Big Trinity Lake Campground?

Yes, Big Trinity Lake Campground has potable water. It also has toilets.

Who manages Big Trinity Lake Campground?

Big Trinity Lake Campground is managed by the U.S. Forest Service.

Around Big Trinity Lake Campground

reservoirfinder.com · 18 miles

Anderson Ranch Reservoir's mapped center point is 18 miles from Big Trinity Lake Campground in a straight line. Current water level: Anderson Ranch Reservoir water level on reservoirfinder.com.

Little Roaring River Lake Campground Elmore · National Forest · First-come
Sites
Not on record
Season
Not on record
Fee
Free
 Big Roaring River Lake Campground Mountain Home · National Forest · First-come
Sites
Not on record
Season
Not on record
Fee
Single Site: $10 per night
 Elks Flat Campground Mountain Home · National Forest · Reservable
Sites
2
Season
Not on record
Fee
Single Site: $10 per night
 Dog Creek Campground Mountain Home · National Forest · Reservable
Sites
13
Season
Not on record
Fee
Single Site: $10 per night

More campgrounds: camping near Mountain Home and campgrounds in Elmore.

Sources

First-come, first-served Single Site: $10 per night
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