The coastline can be explored on guided boat trips or by sea kayak. Canoeing and kayaking are popular activities on accessible lakes and ponds."Boating" (archive). nps.gov. National Park Service. January 31, 2018. Retrieved December 6, 2018. About of hiking trails traverse forests and mountains, while of carriage roads can be hiked or bicycled (motorized vehicles, including electric bikes, are prohibited)."Bicycling" (archive). nps.gov. National Park Service. August 2, 2018. Retrieved December 6, 2018. Both the 3.5-mile long Dorr Mountain Trail and the long Sargent Mountain Trail are listed as National Recreation Trails. Horseback riding is permitted on carriage roads and certain other park areas."Horseback Riding" (archive). nps.gov. National Park Service. May 11, 2018. Retrieved December 6, 2018. Climbing is popular at high Otter Cliff, and at Great Head, Precipice, and South Bubble."Climbing" (archive). nps.gov. National Park Service. October 26, 2018. Retrieved December 6, 2018. Sand Beach offers seawater swimming and Echo Lake Beach offers freshwater swimming. In summer, ocean water temperature ranges from while lake and pond temperatures range from ."Weather" (archive). nps.gov. National Park Service. October 26, 2018. Retrieved December 10, 2018.
The coastline can be explored on guided boat trips or by sea kayak. Canoeing and kayaking are popular activities on accessible lakes and ponds."Boating" (archive). nps.gov. National Park Service. January 31, 2018. Retrieved December 6, 2018. About of hiking trails traverse forests and mountains, while of carriage roads can be hiked or bicycled (motorized vehicles, including electric bikes, are prohibited)."Bicycling" (archive). nps.gov. National Park Service. August 2, 2018. Retrieved December 6, 2018. Both the 3.5-mile long Dorr Mountain Trail and the long Sargent Mountain Trail are listed as National Recreation Trails. Horseback riding is permitted on carriage roads and certain other park areas."Horseback Riding" (archive). nps.gov. National Park Service. May 11, 2018. Retrieved December 6, 2018. Climbing is popular at high Otter Cliff, and at Great Head, Precipice, and South Bubble."Climbing" (archive). nps.gov. National Park Service. October 26, 2018 Retrieved December 6, 2018. Sand Beach offers seawater swimming and Echo Lake Beach offers freshwater swimming. In summer, ocean water temperature ranges from while lake and pond temperatures range from ."Weather" (archive). nps.gov. National Park Service. October 26, 2018. Retrieved December 10, 2018.