Challenge your land navigation skills with the Northeast Ohio Orienteering Club. Courses on topographic maps for all skill levels are offered. Bring a whistle and a compass. Registration begins at 10:30 a.m. with the course starting at 11 a.m. This is a rain or shine activity. Children under age 16 must be accompanied by parent or guardian. For more information, visit NEOOC.com or call (216) 285-0627. Ages 12 to adult. There is a $10 fee for NEOCC members and $20 for non-members.