Vertical climb: +2755 ft
Start/Finish: Lake Merritt
Major climbs: Crockett Blvd, Norris Canyon
Route sheet: Crockett Loop (H) [87K]
Start with the familiar Key Route ride to El Sobrante, then travel up to Crockett along the Carquinez Strait. Then return to the lake in a clockwise loop by travelling south to Castro Valley via Danville Blvd and Norris Canyon, then return via Bancroft and Foothill.