Donner Peak Trail – The trail starts where Donner Pass Road crosses the Pacific Crest Trail, 0.4 miles past the Old 40/Rainbow Bridge when going up Donner Pass Road from Donner Lake. You will see a parking lot on the left and some buildings. Parking is not allowed in the lot, but you can park on the street. Follow the road behind the parking lot to the Donner Peak Trailhead, you will see the Pacific Crest Trail zig-zagging up the mountain to your left. Follow the trail 0.8 miles until you almost cross under the ski chairlift where a trail will cut hard left, almost a making u-turn. Follow this trail another mile and you will be at Donner Peak.