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. Many creature comforts are provided; however, guests may want to bring some supplies and gear to make their experience more comfortable and enjoyable.
Seasonal information
2026
(Current year)
2026 Season availability
Current season
Operating hours and availability for the current season.
Upcoming seasons
Planned operating dates for future seasons to help you plan ahead.
Past seasons
Historical operating dates from previous years for reference.
Closed periods
View dates when this campground is temporarily closed during the season.
The Big Trinity Cabin boasts a great location for visitors. However, there are some challenges with the wood supply, as the wood shed collapsed, leaving limited dry wood available. Guests are advised to bring their own tools for gathering firewood from the surrounding area.
Great location! The wood situation could use some improvement. The wood shed collapsed so there is no dry wood. A pulaski is provided for splitting some pretty big rounds left out near the vault toilet. Hence, the fire boxes in the cabin are often empty. There is a lot of standing fire killed wood in the area so bring your own tools and you will be better off.
Great location! The wood situation could use some improvement. The wood shed collapsed so there is no dry wood. A pulaski is provided for splitting some pretty big rounds left out near the vault toilet. Hence, the fire boxes in the cabin are often empty. There is a lot of standing fire killed wood in the area so bring your own tools and you will be better off.
The cabin was adequate for shelter. The wood stove is actually a wood cooking stove, in the kitchen. It wasn’t what we expected for sure. It did a decent job of warming up the cabin though. There was no firewood in either of the wood boxes in the cabin and it just rained so all the wood outside was wet. The road getting to the cabin was so much worse than we imagined. So bad, in fact, that we will never go there again. It’s great for atv’s, but horrible for a vehicle (including a 4x4 diesel truck!).
The cabin was adequate for shelter. The wood stove is actually a wood cooking stove, in the kitchen. It wasn’t what we expected for sure. It did a decent job of warming up the cabin though. There was no firewood in either of the wood boxes in the cabin and it just rained so all the wood outside was wet. The road getting to the cabin was so much worse than we imagined. So bad, in fact, that we will never go there again. It’s great for atv’s, but horrible for a vehicle (including a 4x4 diesel truck!).
Had a good stay in this basic cabin. Good thing the wood stove in the kitchen puts out some heat since dropped to about freezing each night. Bummer the sink drain doesnt work. Place was relatively clean as was the bathroom across the road. Place sleeps 4 at best unless someone's sleeping on the floor.
Had a good stay in this basic cabin. Good thing the wood stove in the kitchen puts out some heat since dropped to about freezing each night. Bummer the sink drain doesnt work. Place was relatively clean as was the bathroom across the road. Place sleeps 4 at best unless someone's sleeping on the floor.
The cabin's probably great, but couldn't get to it (needed a high clearance vehicle for the last ~6 mi)...so spent 5 hours driving (round-trip) to end up spending the night back at home.
The cabin's probably great, but couldn't get to it (needed a high clearance vehicle for the last ~6 mi)...so spent 5 hours driving (round-trip) to end up spending the night back at home.
The cabin actually sleeps 4, and that’s only if you count the sofa covered with matted dog hair. Disgusting. We slept on the floor instead. (The USFS must’ve been counting the BROKEN cots piled in the corner when they claimed it sleeps 6.)
The cabin actually sleeps 4, and that’s only if you count the sofa covered with matted dog hair. Disgusting. We slept on the floor instead. (The USFS must’ve been counting the BROKEN cots piled in the corner when they claimed it sleeps 6.)
Helpful
Location & Directions for Big Trinity Cabin
3080 Industrial Way, Mountain Home, ID 83647 United States
Travel east from Boise, Idaho on I-84 to Mountain Home. At I-84/Highway 20 junction, take Highway 20 east for 35 mi to Pine/Featherville turnoff. Travel north on Forest Highway 61 for 29 mi to Forest Road 172. Travel 15 mi northwest to Forest Road...
Travel east from Boise, Idaho on I-84 to Mountain Home. At I-84/Highway 20 junction, take Highway 20 east for 35 mi to Pine/Featherville turnoff. Travel north on Forest Highway 61 for 29 mi to Forest Road 172. Travel 15 mi northwest to Forest Road 129. Travel 3 mi 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.
Reservation fees are non-refundable. For campsites, cabins, lookouts, yurts, group sites, and similar stays, we charge a reservation service fee of $8.
Standard cancellations usually have a $10 cancellation fee. Customers can generally cancel before the check-in date online.
Late cancellation rules differ by stay type.
Individual campsites: cancelling after 12:00am local time the day before arrival usually means a $10 cancellation fee plus forfeiting the first night's fee.
Cabins, lookouts, and yurts: cancelling less than 14 days before arrival usually means a $10 cancellation fee plus forfeiting the first night's fee.
One-night reservations: a late cancellation usually forfeits the full amount paid, up to the total original reservation cost.
Modifications are allowed before the cut-off window, but fees depend on the change. Changing to dates completely outside the original reservation dates may trigger a $10 change fee. Extending or shortening a stay that still includes original dates usually has no change fee, though refunds may depend on timing and facility rules. Switching to the same type of campsite for the same dates usually has no change fee, but price differences are charged or refunded.
Early departures may or may not be refunded. At certain facilities, partial refunds may be possible if staff can mark the site available for other visitors. No refund is given for a night if the early departure is requested after that day's check-out time.
Security deposits are separate. Security deposits may be refunded to the original payment method if the facility is left in acceptable condition, as determined by the property.