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Idaho · Rock Climbing
Arimo sits in the Portneuf River valley in southeast Idaho, and the rock climbing here is low-key in the best sense — no crowds, no permit queues, just limestone and basalt crags within a short drive of town.
12 spotsUpdated weeklyFree to access
View on mapRock Climbing · 12 spots
Arimo sits in the Portneuf River valley in southeast Idaho, and the rock climbing here is low-key in the best sense — no crowds, no permit queues, just limestone and basalt crags within a short drive of town. The Garden Creek Gap and East Gully areas anchor the local scene, offering enough variety that a weekend trip can cover everything from mellow single-pitch sport routes to more committing lines. Routes like Sweet Pea and Apple Num Num sit on the approachable end of the spectrum, while Dirt Nap and Vidalia will keep stronger climbers honest. The East Ridge gives you a more traditional mountaineering feel, and Open Book is the kind of classic crack line that rewards clean footwork. With 12 active listings across the area, this isn't a destination you visit for sheer volume — you come because the rock is good, the approaches are reasonable, and you're unlikely to queue for a route. If you're driving up from Pocatello or cutting through on I-15, it's worth building in a half-day or a full day at the crags rather than blowing past.
The area has a genuine mix. Routes like Sweet Pea and Apple Num Num are friendlier for newer sport climbers still building confidence on single-pitch routes. Dirt Nap, Vidalia, and the East Ridge line are better suited to climbers who are comfortable leading at an intermediate level or above. If you're brand new to outdoor climbing, come with someone who knows the area.
Spring and fall are the most reliable seasons — roughly April through June and September through October. Summer can get hot on south-facing walls by midday, so early starts matter if you're climbing in July or August. The Aiguille route is listed as ice climbing, which puts it firmly in winter territory, typically December through February depending on conditions.
East Gully
~0 min drive
Idaho gully climbing with moderate routes in a scenic canyon setting.
Unnamed Sport Climb #1
~0 min drive
A worthwhile stop near Idaho.
Aiguille route
~0 min drive
A worthwhile stop near Idaho.
Detox Simulator
~27 min drive
A worthwhile stop near Idaho.
Garden Creek Gap
~0 min drive
Accessible Idaho climbing crag with routes for multiple ability levels.
Dirt Nap
~0 min drive
A worthwhile stop near Idaho.
South Ridge Berk/Taylor
~24 min drive
A worthwhile stop near Idaho.
Jug-A-Haulic
~27 min drive
A worthwhile stop near Idaho.
WaveWall
~27 min drive
Idaho crag with distinctive wave-shaped formations and varied climbing.
Sweet Pea
~0 min drive
A worthwhile stop near Idaho.
Drop Knee Gorgeous
~27 min drive
A worthwhile stop near Idaho.
Main Corridor
~31 min drive
Idaho climbing area with varied routes in a scenic corridor setting.
Both are represented. The unnamed sport climbs and several of the named routes like Whoopsie Daisy and Sweet Pea are bolted sport lines. The East Ridge and Open Book lean more toward traditional climbing, so bring a rack if you're planning to get on those. Check the individual listings on Roamze for gear specifics before you head out.
Garden Creek Gap and East Gully are the two named climbing areas in the listings. Both are accessible by car with a short approach on foot — nothing that requires a full wilderness hike. Dirt roads in the area can get muddy after rain, so a higher-clearance vehicle is useful in shoulder seasons.
No permit requirements appear in the current listings for the rock climbing routes around Arimo. That said, land management in southeast Idaho can involve a mix of BLM and state land, so it's worth confirming access status with the Pocatello BLM field office if you're planning a trip after a long gap — access situations can change.
