Rising sharply at the heart of the Claim Jumper Wall, One Armed Bandit challenges climbers with a compact, dynamic route that combines technical finesse and physical endurance. This 70-foot single-pitch sport climb offers an engaging sequence that starts on fractured flakes and narrow cracks, demanding focused footwork and steady hand jams. The route quickly transitions to an audacious pull through a small roof—where power meets poise—before easing onto a slick slab that tests balance and deliberate movement.

From there, you move into a subtle dance across the wall’s smooth face, seeking out hidden slots and generous jugs that invite confident pocketing and precise positioning. The final push requires a mantle or rockover onto a snug ledge crowned by reliable chain anchors. Each section contributes distinct sensations—the rough texture of flakes biting under fingertips, the brief but intense roof section that dares your strength, and the delicate slab that asks for composed control.

Situated in the northern reaches of Big Bear Lake within California’s San Bernardino Mountains, Claim Jumper Wall benefits from a relatively accessible approach and a stable climbing environment. The rock, a solid granitic surface, has been thoughtfully maintained with stainless steel bolts replaced as recently as 2019, ensuring security on the sharp draws and on the protected crux moves.

One Armed Bandit appeals to climbers stepping into the 5.10a range, blending sustained climbing with varied holds and terrain. This route provides a great progression challenge, rewarding careful movement and a well-rounded skill set over brute force alone. The surrounding area is filled with rugged mountain views shaded by pines, lending a wild but approachable atmosphere. While brief, the climb’s varied sequences and reliable protection make it a standout option for those looking to test their sport climbing mettle in Big Bear.

For trip planning, aim for clear weather and mid-morning starts to avoid lingering morning dampness on the slab. Good climbing shoes and a chalk bag are essential for managing the mixed textures, while a moderate rope around 70 meters suffices for top-rope or lead climbing. The approachable trailhead is about a 15-minute hike from parking, winding through gentle forest paths. Carrying water and sun protection is advised, particularly during summer months when the southern exposed face absorbs direct sunlight.

With a mix of creative movement, solid protection, and a friendly but challenging grade, One Armed Bandit invites climbers to step confidently into a memorable Big Bear sport climb.