LOST TRAIL
RESORT
Lava Hot Springs, Idaho
Where the Portneuf River meets the mountains · 9611 E Hwy 30
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Where the Portneuf River meets the mountains · 9611 E Hwy 30
Nestled along the Portneuf River in beautiful Lava Hot Springs, Idaho — Lost Trail Resort is your perfect basecamp for adventure and relaxation. Mountains on one side, peaceful river on the other.
From spotless motel rooms with cloud-like beds to rustic A-frame cabins and private bungalows — every option sits alongside the river and mountains.
Immaculate rooms with ultra-comfortable beds, mini fridge, microwave, and coffee maker with coffee supplied. Our guests call the beds “fluffy clouds” — clean, quiet, and ADA accessible option available. Note: Motel rooms are not pet friendly.
Book a RoomThree charming A-frame dry cabins nestled in the natural surroundings of Lost Trail. Perfect for guests seeking the full Idaho outdoor experience with classic cabin character.
Book a CabinTwo private bungalows offering seclusion and comfort. Ideal for couples or small families seeking a more intimate stay surrounded by the natural beauty of Lava Hot Springs.
Book a BungalowPull-through and riverside RV sites with beautiful Portneuf River views. Wake up to rushing water and Idaho mountain scenery right outside your door.
Reserve RV SiteEvery stay comes with river access, mountain views, and the warm hospitality that keeps guests coming back year after year.
Lava Hot Springs is one of Idaho’s most beloved destinations — and Lost Trail puts you right at the gateway to it all. Sitting at the entrance to Caribou National Forest, you’re steps from the river, minutes from charming downtown shops and restaurants, and surrounded by some of the most stunning scenery in the West.
The Portneuf River runs right alongside the property. Cast a line from your site anytime.
Lava Hot Springs’ world-famous geothermal pools are just minutes away — multiple pools, all temperatures.
Day trips to Pocatello, Caribou National Forest, and Bear Lake make Lost Trail the perfect Southeast Idaho hub.
From the river to the mountains, from the hot springs to the trails — this is what waiting for you at Lost Trail Resort.
37 RV sites, A-frame cabins, bungalows, motel rooms, Lost Beach, multi-use court, pavilion, and restrooms — all along the Portneuf River.
Click map to zoom · RV Sites 20/30/50 Amp with Water · Lost Beach · Lost Trail River Access for All Guests
Rooms, cabins, and bungalows fill quickly — especially in summer. Book online or give us a call. We’d love to have you.
Check Availability & Book OnlinePrefer to call? 208-776-9917
Located right on E Hwy 30 in Lava Hot Springs — easy to find, impossible to forget. About 35 miles southeast of Pocatello.
