Grand Sentinel is a large north-facing tower across from North Dome, and is one of the most eye-catching rock faces in Kings Canyon proper. It features many difficult aid routes, however Chaz Langelier and I found a fun free route going up the previously unclimbed northeast buttress (800’, III 5.10 R). It was a ‘choose your own adventure' type of route, with some difficult sections that could be climbed around on easier terrain by someone not wanting to climb harder than 5.9. The rock felt a bit alpine, but was mostly solid with the crux of the route being a 5.10R pitch (likely avoidable) that went over an overhang from a large ledge, two pitches from the top.
– Vitaliy Musiyenko