The health center is open daily from 8:00 am to 6:00 pm. Beginning in mid-October hours are reduced. Phone (928) 638-2551. Emergency medical services are provided by rangers and clinic staff - dial 911 (from hotel rooms dial 9-911). A dentist serves the South Rim by appointment only. Call (928) 638-2395.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.