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.

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Boise National Forest — lakeside, fishing, hikingLive availability via Recreation.gov· synced every 30 min

Big Trinity Cabin

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MOUNTAIN HOME, ID, ID★ 3.8 (10 reviews)From $60/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

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.

Best for:AnglersHikersWildlife watchersFamiliesSites:Tent
LIVE · weather + fire + AQI + availability + wildlife

Verified facts

RIDB / Recreation.gov official database
Check-in2:00 PM
Check-out12:00 PM
SeasonMay through October
Stay limit14 days
HookupsNo hookups.
PetsAllowed
CampfiresAllowed
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsDrinking Water
Recreation
Picnic TablesElectric Hookups
Family & Pets
RestroomsFishing

Straight talk

CamperWatch intel · curated from camper reports

Known issues, each with the workaround. Read before you book.

Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it 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

Insider tips & when to go

CamperWatch intel · hand-curated entry

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

Best: June-September

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 + intel

Conditions today

Live
at campground coordinates

Cell signal

FCC BDC · quarterly dataset
T-Mobile
4G · 0%
Verizon
4G · 0%
AT&T
4G · 0%

FCC maps are theoretical — camper reports confirm signal.

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
208-587-7961· Boise National Forest
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 API

Community

#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, speakable
How much does Big Trinity Cabin cost per night?+
Big Trinity Cabin costs $60–$80 per night. Hookup options: No hookups.
What season is Big Trinity Cabin open?+
Big Trinity Cabin is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Big Trinity Cabin have hookups?+
No hookups.
What is the maximum RV length at Big Trinity Cabin?+
Big Trinity Cabin is primarily a tent camping facility.
How do I make reservations at Big Trinity Cabin?+
Big Trinity Cabin is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Big Trinity Cabin?+
According to FCC coverage maps, cell signal at Big Trinity Cabin is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Big Trinity Cabin open, and what are check-in times?+
Big Trinity Cabin is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
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●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas

CamperWatch never fabricates data. Where data is unavailable, it is not shown.

$60 /night★ 3.8 (10)
SeasonMay through October
Check-in2:00 PM
Check-out12:00 PM
Reserve on Recreation.gov ↗
Dates full? Get an availability alert
FAQ
How much does Big Trinity Cabin cost per night?+
What season is Big Trinity Cabin open?+
Does Big Trinity Cabin have hookups?+
All 7 questions →

Nearby Campgrounds

Elks Flat Campground

MOUNTAIN HOME, ID

From $150/night

Dog Creek (Id)

MOUNTAIN HOME, ID

From $20/night

Black Rock

IDAHO CITY, ID

From $20/night

Barber Flat Cabin (Boise National Forest, Id)

IDAHO CITY, ID

From $80/night

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