"Bosch Blanket Bingo offers a concise but versatile sport climb in Boulder Canyon, blending approachable crack climbing with more demanding roof variations. This one-pitch line invites a balance of tactical moves and physical challenge amid Colorado’s alpine environment."
Bosch Blanket Bingo stands as a compelling introduction to sport climbing in Boulder Canyon’s Bihedral Area, presenting a compact yet engaging challenge along a 60-foot face. This climb is a subtle puzzle, threading a line where technique and route choice matter, inviting climbers to balance finesse with bold sequences. From the bottom, the route demands an immediate focus: three bolts guide you upward before leading you into a tactical move right and then left, to clip the fourth bolt perched just above the lip of a modest roof. Here the route splits, offering distinct paths to test your comfort and skill.
The first option skirts left, easing into an approachable crack rated around 5.8—a move friendly to those easing into steeper lines or those who prefer steadier jams. For climbers seeking more stamina and finger strength, the roof itself beckons with two steeper variations: either attacking it head-on through a challenging finger pocket and long reach left to the crack, or taking the right side, rated at a moderate 5.9. These alternatives allow you to scale the route’s complexity upward, with each variation developing different strengths.
Beyond the roof, the route approaches a second roof at the fifth bolt. Choosing to move right via a groove offers a smoother passage at 5.8, or for those wanting to push limits, tackling the roof directly calls for precise technique and fine finger work around 5.10b to 5.10d. Maintaining alignment with the bolt here adds difficulty that demands power and concentration. After surmounting this barrier, the climber clips a single final bolt before reaching the anchor, completing a pitch that balances route-finding with physical challenge.
Equipped with six bolts and a two-bolt anchor shared with the neighboring Topless Etiquette route, Bosch Blanket Bingo offers reliable protection for a route that nonetheless tests your ability to read the rock and pick your path. Boulder Canyon’s quiet approach, just outside the vibrant buzz of Boulder, is an accessible escape where rock meets forest greenery and alpine breeze. The climb’s single pitch approachability combined with tasteful technical options makes it well suited for intermediate sport climbers looking to hone finger strength and on-sight abilities.
Approach is straightforward, cutting through forested trails that bring you to the crag’s base in under 20 minutes. The granite face is sunlit in morning hours, offering cooler climbing as the day warms. Footwear with sticky rubber is essential here for the thin holds and roof transitions, as is hydration for the dry mountain air. Local climbers commend clarity in route choices and advise staying left of the bolt line when navigating the squeeze section to avoid encroaching on neighboring climbs.
Bosch Blanket Bingo doesn’t overwhelm with length but delivers variety and technical interest in each move, testing both mindset and muscle. Whether opting for the easier crack or the more demanding roof variations, this route invites climbers to engage fully and adapt as they ascend. It’s a prime example of Boulder Canyon’s sport climbing scene—accessible, well-protected, and rich with options that reward a sharp eye and steady hands.
Exercise caution in the narrow squeeze between neighboring routes where proximity can lead to accidental encroachment. The granite is solid but some holds on the roofs are thin and demand careful grip to avoid slips. Approach in dry conditions to ensure secure footing on trail and rock.
Stay left of the bolt line when navigating the squeeze section to respect neighboring routes and avoid traffic.
Approach via forested trails, expect about a 20-minute hike from the trailhead.
Early morning climbs bring shade and cooler rock temperatures.
Sticky rubber shoes improve grip on the thin edges and finger pockets near the roofs.
Six bolts provide dependable protection along the route, complemented by a two-bolt anchor that the climb shares with the adjacent route Topless Etiquette. Expect to make careful, sometimes tight placements close to the bolt line and bring gear for finger pockets and thin holds on the roof pitches.
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