MOUNT DESERT – Camp Beech Cliff Outdoor center is offering six different adventure trips for young people ages 12 through 14 and 15 through 18. The trips are five- to 10-day backpacking or canoeing trips on the St. Croix, the Moose River and sections of the Appalachian Trail. Space is limited and groups are kept small. For information, call Kyle at 244-0365.