California · Rock climbing · Idyllwild

Frank's Boulder

Frank's Boulder in California has 8 bouldering routes across 5 grades.

8 routes

V2 – V7

Bouldering

Is Frank's Boulder open right now?

Alert in the area

The Forest Service lists 2 alerts for San Bernardino National Forest.

Safety Alert - Falling Rocks at Bonita Falls
Agency alert covering San Bernardino National Forest · USFS · San Bernardino National Forest
Fire Restrictions
Agency alert covering San Bernardino National Forest · Order 05-12-00-26-05 · USFS · San Bernardino National Forest

As of Oct 23, 8:25 pm PDT · Source: USFS · San Bernardino National Forest. Agencies don't list every closure — check before you go.

Frank's Boulder is a bouldering area in California's Mount San Jacinto State Park, within the San Bernardino National Forest and the San Jacinto Ranger District. The land is managed by State Park and Recreation. The climbing here is all bouldering, with eight routes spread across the V2 to V7 range on the V scale. Frank's Problem, with a V4 grade, and Frank's Roof, a V3, are among the boulders named for Frank Cornelius, who made the first ascent of Frank's Roof. The hardest route is Hesitation Factor, a V7 that Paul Dusatko climbed in 1996 under the original name Posse. The Terminator is a V2. Two other boulders sit right next door: Black Moon Boulder and Angus Boulder, each about 0.1 mile away. The Round Valley Trail and Desert View Trail both lie within half a mile, so a short walk is an easy way to pair a bouldering session with time on foot.

Routes (8)

Frank's Problem (variation)V2BoulderingBouldering The TerminatorV2BoulderingBouldering Frank's DirectFA: Frank CorneliusV3BoulderingBouldering Frank's RoofFA: Frank CorneliusV3BoulderingBouldering Frank's ProblemFA: Frank CorneliusV4BoulderingBouldering Short Sloper TraverseV4BoulderingBouldering Posse (Right Variation)V6BoulderingBouldering Hesitation FactorFA: Paul Dusatko 1996 (originally called Posse)V7BoulderingBouldering

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