Lost With a GPS presents a compelling blend of trad and sport climbing on the stark faces of Mariuolumne Dome, found in the wild heart of Yosemite National Park's Tuolumne Meadows. This single-pitch, 90-foot route keeps you attentive from start to finish, with a route that wanders purposefully across a slabby terrain punctuated by a hollow flake that tests both gear judgment and technical confidence. The climb’s defining moment comes in a slender, slabby section near the top, where the crux challenges your smarts rather than pure power, demanding precise footwork and steady nerves.

Arriving at the flake, your instincts guide you to avoid the most obvious cam placement at first, thanks to the hollowness that could betray your thread of protection. Instead, patience rewards the climber with a secure hold just beyond, where a 1.25-inch cam locks solidly in position. Added in 2010, a bolt guards an initial bulge that once left sparse options, preventing reliance on an aging fixed pin whose fate is uncertain. The presence of four bolts along this route interspersed with carefully chosen traditional gear gives the climb a versatile character – approachable yet grounded in sound climbing ethics.

Starting the climb on top rope at the more direct line introduces a crux rated near 5.10a, sharper in intensity but still true to the route’s measured demands. The two-bolt anchor, set with sport lower-offs, offers a secure finish ensuring a confident descent. What makes Lost With a GPS stand apart is its subtle interplay—no over-the-top difficulty, but a genuine call for attention to protection placement and slab technique. This route may not dazzle with flashy moves or overwhelming exposure, but it embodies a pure Yosemite granite challenge: the quiet focus of reading the rock and trusting your gear.

Beyond the climb itself, the setting amplifies the experience. Lost Wall's granite invites cool breezes and dappled sunlight that shift as the day moves on. Elevation at nearly 8,600 feet adds freshness to the air, while Tuolumne Meadows’ sweeping vistas remind you why this high country terrain attracts climbers searching for thoughtful routes without crowds. Plan your ascent for morning or late afternoon when the light softens the slab, otherwise midday heat bakes the rock and dulls friction.

Gear up with a modest rack emphasizing four bolts, a fixed pin, and particularly that 1.25" cam—its placement is mission-critical. Thin cams can help with the climb’s start, but know some spots are better protected by the bolts bolstered by careful trad hookups. Approach Lost Wall by following established trails from the Tuolumne Meadows parking area, a manageable 20-minute walk through mixed forest and granite slabs. The descent is straightforward with rappels from the two-bolt anchor; bring extra cord and check your rappel rings beforehand.

Lost With a GPS rewards climbers who appreciate quiet tactics over brute force, precision over flash. It’s a line that pulls you into Yosemite’s storied granite landscape and demands respect for subtle rock features and prudent gear choices. Whether you're honing slab skills or expanding trad experience in a stunning national park setting, this route offers a focused and memorable outing ready to challenge your next climbing session.