Big Trinity Cabin
Boise National Forest — lakeside, fishing, hiking
Location: MOUNTAIN HOME, ID, ID
Price: From $60 per night
Price range: $60–$80 per night
Rating: 3.8 out of 5 (10 reviews)
Season: May through October
Big Trinity Cabin offers a quiet retreat in a beautiful high alpine landscape. The cabin is situated within a popular summer recreation area with many activities to enjoy. The cabin has a limited season due to late snow melt, but is accessible by vehicles with reasonable ground clearance.
Cell coverage (FCC estimate): none signal. Actual signal may vary in remote areas.
Amenities: Fire Rings, Picnic Tables, Restrooms, Drinking Water, Electric Hookups, Fishing
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/big-trinity-cabin to be notified when sites open up.
Big Trinity Cabin provides a quiet retreat in high alpine landscape with access to the 4-mile Rainbow Basin Trail system and diverse recreation including fishing, hiking, and biking. The location offers many creature comforts while maintaining a remote mountain experience.
Insider tips for Big Trinity Cabin: Book early—this is a federal campground with only 2 tent sites and seasonal operations Bring supplies and gear for comfort despite creature comforts being provided, per official RIDB description Vehicles need reasonable ground clearance for access via Forest Roads 172 and 129
Skip Big Trinity Cabin if: You need RV hookups—no hookups available at this location. You're visiting outside May-October—seasonal operations only. You have a low-clearance vehicle—forest road access requires reasonable ground clearance.
Best time to visit Big Trinity Cabin: June-September — Official season is May through October, but late snow melt limits early access; mid-summer offers optimal conditions.
Nearby campgrounds: Elks Flat Campground (MOUNTAIN HOME, ID), Dog Creek (Id) (MOUNTAIN HOME, ID), Black Rock (IDAHO CITY, ID), Barber Flat Cabin (Boise National Forest, Id) (IDAHO CITY, ID).
Cell Phone Coverage at Big Trinity Cabin
Cell signal at Big Trinity Cabin (MOUNTAIN HOME, ID): none overall signal based on FCC broadband data.
Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.
Big Trinity Cabin offers a quiet retreat in a beautiful high alpine landscape. The cabin is situated within a popular summer recreation area with many activities to enjoy. The cabin has a limited season due to late snow melt, but is accessible by vehicles with reasonable ground clearance.
Verified facts
RIDB / Recreation.gov official databaseAmenities
RIDB /facilities /campsites · owner-verifiedStraight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early
this is a federal campground with only 2 tent sites and seasonal operations
Bring supplies and gear for comfort despite creature comforts being provided, per official RIDB description
Vehicles need reasonable ground clearance for access via Forest Roads 172 and 129
Official season is May through October, but late snow melt limits early access; mid-summer offers optimal conditions
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetFCC maps are theoretical — camper reports confirm signal.
Location
Leaflet · OpenStreetMap tiles
Getting there →
Travel east from Boise, Idaho on I-84 to Mountain Home. At I-84/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 Road 172. Travel 15 miles northwest to Forest Road 129. Travel 3 miles to the Guard Station junction. The roadway is paved up to the junction of Forest Road 172. Forest Road 172 is native material (dirt) and trailer traffic is not recommended. There are signs noting each of the junctions.
Campground entrance
Google Maps APICommunity
#community · posts, photos & Q&A · AI-moderated (Claude Vision)Pro tips
- Book on recreation.gov exactly 6 months ahead at 10am ET — Boise National Forest fills fast in peak season.
- Check current road conditions at Boise National Forest before arrival — seasonal closures common.
- Bear country — store all food in bear boxes or locked vehicle at all times.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Big Trinity Cabin cost per night?+
What season is Big Trinity Cabin open?+
Does Big Trinity Cabin have hookups?+
What is the maximum RV length at Big Trinity Cabin?+
How do I make reservations at Big Trinity Cabin?+
What is the cell service like at Big Trinity Cabin?+
What season is Big Trinity Cabin open, and what are check-in times?+
●Data sources on this page
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
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