Gift Certificate good for $515 toward ANY session at YMCA Camp Warren. YMCA Camp Warren is located in northern Minnesota near Eveleth, Minnesota on Half Moon Lake. Warren is a perfect setting for boys or girls to experience traditional camp activities in a one, two, three, four, five or six-week session. Camp Warren offers single-gender sessions. Camp activities include sailing, horseback riding, archery, canoeing, overnights, fishing, drama/theater, nature studies, windsurfing, kayaking, high and low ropes, tennis, swimming, photography, arts and crafts and field games.