From the intersection of N McCarran and N Virginia 1. . Head west on N McCarran Blvd/NV-651 1.1 mi 2. Turn right at Keystone Ave 0.3 mi 3. Take Rt into parking lot. 4. Hike up the jeep road for 1/3 mile till you see the boulder on your left
Mountain Project's determination of some of the classic, most popular, highest rated routes for Keystone Boulder:
Awesome little boulder, went there for the first time yesterday.
It seemed easier to me direction wise to continue several hundred meters west on Mccarren past keystone intersection and turn right on a paved road leading up a hill just past the pink water tower to a parking lot and trail head. Follow this bike path/large dirt trail through the canyon for about 3-5 minutes. the boulder will appear on your left.
The rock is pretty good quality, fun movements and cool features. Some guys out there showed me the problems...all the stand starts are really easy but fun - probably V0/V1/V2 - though there is one moderate V4ish in the middle that tops out on really really slick rock. Traverse is fun too. The sit starts to the problems are much harder, crimpy and some are pretty powerful - definitely V5/6/7+ish.