Acadia National Park attracts more than two million visitors each year. With many different facilities and attractions in the park, there is something to interest everyone. Hiking and mountain biking are among the most popular activities in Acadia National Park. There are freshwater, estuary, forest, and intertidal habitats and 158 miles of hiking trails. Acadia National Park is open 24 hours per day, but the Visitor's Center has more limited hours. This Visitor's Center is closed November 1 through April 30 every year. Accessibility: The Interagency Access Pass for free or discounted admission for US Citizens or permanent residents with permanent disabilities is accepted here. The Hulls Cove Visitor Center (with Eastern National Bookstore), Cadillac Summit Center, Park Headquarters, Sieur de Monts Spring Nature Center, Thompson Island Information Center, Abbe Museum (Downtown Bar Harbor), Great Harbor Maritime Museum, Mount Desert Oceanarium, Old School House Museum, and Wendell Gilley Museum are all wheelchair/mobility equipment and stroller accessible with wheelchair accessible parking and bathrooms (except no parking or restroom at Wendell Gilley). Loaner assistive listening devices are available with advanced notice. ASL interpreters are available for Ranger-led programs with advanced notice of at least three weeks – send an email through the park website for more information. An introductory pamphlet is available in Braille format for download or at the Hulls Cove Visitor Center. A 56-mile audio tour CD is also available for purchase at the Visitor’s Center. All shuttle buses in the park are wheelchair accessible, free, and run from June to early October from neighboring towns to the Park. The following areas have wheelchair-accessible parking, bathrooms, and picnic areas with packed, level paths and surfaces: Bear Brook, Fabbri, Frazer Point, Pretty Marsh, Seawall, and Thompson Island. There are accessible bathrooms, changing rooms, and parking at the following trailheads: Echo Lake, Sand Beach, Eagle Lake, and Bubble Pond. There is a wheelchair-accessible path to the water at Echo Lake. The Blackwoods Campground has 12 wheelchair-accessible drive-in camping sites. The Seawall Campground has multiple options for wheelchair-accessible sites - three RV, five drive-ins, five walk-ins, and one group site. The Schoodic Woods Campground has 78 wheelchair-accessible campsites, including both tent and RV sites. Service animals must be on-leash throughout the park. Additional accessible trails and facilities information can be found on the park website here: https://www.nps.gov/acad/planyourvisit/accessibility.htm.