Hingham Harbor and Bumpkin and Grape Islands is a 8.7 mile loop trail located near Hingham, MA and is rated as moderate. The trail is primarily used for sea kayaking and is accessible from April until October. 8.7 miles 285 feet Loop sea kayaking Expand Map Sign up now to see this map! Reviews (0)Photos (6)Recordings (3)No one has reviewed this trail yet. Be the first!