About 50 miles of carriage roads, crisscrossing through woods and fields are open to bikes. Eagle Lake Loop, going around Eagle Lake, the park’s largest lake, is very popular among families. Trails from Eagle Lake wind to Jordan Pond, home of the Jordan Pond House and its famous tea. A more challenging trail is the 11-mile loop ‘Around the Mountain Trail’, with an extended climb up the northwest side of Parkman Mountain.