I have taken this road into Yosemite valley twice from Coulterville. It took about four hours. This includes trying to get around downed trees and taking the wrong loop once.. or twice? It is largely unpaved but there are areas where pavement appears out of nowhere. Bring a chain saw, and your 4 wheel drive if you want to do it. It may take some time, bring food water, blankets, too. You might noby BanjoDave - Yosemite and the Sierra Nevada. News & Discussion