thumb|Eagle Glacier Memorial Cabin, located near Juneau in the Tongass National Forest The Tongass National Forest offers recreation opportunities, some of which are found only in Alaska. The forest has close to one million visitors each year. Most come by cruise ships arriving through the Inside Passage of Southeast Alaska. The Forest Service provides visitor programs at the Mendenhall Glacier Visitor Center in Juneau and the Southeast Alaska Discovery Center in Ketchikan. The Mendenhall Glacier Visitor Center, built in 1962, was the first Forest Service visitor center in the nation. The forest interpretive program on the state ferries began in the summer of 1968, and was the longest-running naturalist program in the agency until ending in 2013.
thumb|Eagle Glacier Memorial Cabin, located near Juneau in the Tongass National Forest The Tongass National Forest offers recreation opportunities, some of which are found only in Alaska. The forest has close to one million visitors each year. Most come by cruise ships arriving through the Inside Passage of Southeast Alaska. The Forest Service provides visitor programs at the Mendenhall Glacier Visitor Center in Juneau and the Southeast Alaska Discovery Center in Ketchikan. The Mendenhall Glacier Visitor Center, built in 1962, was the first Forest Service visitor center in the nation The forest interpretive program on the state ferries began in the summer of 1968, and was the longest-running naturalist program in the agency until ending in 2013