Split Rock, Boott Spur Trail - Pictured here along Boott Spur Trail is Split Rock; this interesting glacial erratic is split in half. The scenic Boott Spur Trail begins off of the busy Tuckerman Ravine Trail and ends at Davis Path. If you are hiking Mount Washington and want extensive alpine zone exposure and breathtaking views, this trail is a great choice. Because most of this route is above treeline, hiking it on a perfect weather day is the best ...