The requirements are simple for hikers participating in next month's 18-day coed wilderness adventure in White Mountain National Forest and its environs. The teenagers must be in good physical condition and have some backpacking experience and a keen desire to learn new skills. On the first day, the guides will have no trouble spotting the less experienced ones among their eight charges. Though burdened with a 45-to-50-lb. backpack, the uninitiated typically try to forge ahead of their more experienced comrades. After the first breathless leg, however, they'll be pacing themselves like pros.
"The goal of this youth program and 48 others...