From the summit of Stony Pass and the trailhead parking, walk SW across the tundra and abundant wildflowers towards the NE ridge of Stony Pass Peak. Ascend along the ridge on tundra to start which gives way to rockier conditions. The final summit ridge has a precipitous drop on the north side and may require a little bit of easy scrambling, depending on the path you choose. Watch for Ptarmigans.
Bonus points: Stony Pass Peak could be the 5th stop on a five-summit day that could include Galena, Canby, Sheep, Greenhalgh and Stony for the more ambitious peakbagger. All can be reached from either the summit of Stony Pass or just a little SE of the pass. And one other note: July wildflowers near the summit of the pass, especially on the north side can be very spectacular.