Practice Day II: Ruby Lake

Our second day in the Sierras begins at Mosquito Flat, the highest trailhead in the Sierras at c.12k feet. From the start, the grade is around 7% for the first 2 miles, before kicking up to over 12% at the start of the switchbacks (near Ruby Lake, pictured), for about 1.4 miles. We encounter first minor snow on the trail which nonetheless requires spikes.