The main visitor centre in Malè has information on exploring the park, including ranger-led tours.

Visitors must take the informative ranger-led tour.

Frequent ranger-led tours depart from the visitor center, and there are other special programs and talks during the summer.

Visitors can enter these hugely popular sites only on ranger-led tours.

It also offers a ranger-led tour to Baker Island, a 130-acre island that's part of Acadia National Park but reachable only by boat.

Access to the bog is restricted to ranger-led guided tours.

The National Park Service maintains a visitors' center on site and offers ranger-led tours of the facilities Wednesdays through Sundays.

It's a strenuous place to visit and can only be done as part of a ranger-led guided tour (organised from the visitor center).

The park includes many caves, including Round Spring Caverns, which offers ranger-led tours in the summer.

B Map The only way to see the superb Cliff Palace is to take the hour-long ranger-led tour.