Planet Rock - Pontiac (13,000 square feet, 55 feet high) and Ann Arbor (22,500 square feet, 50 feet high). Leading, top-roping and bouldering. Courses offered. Portable wall for rent. Gear shop. Sponsors the Planet Rock Junior Climbing team. - http://www.planet-rock.com/
Higher Ground - Grand Rapids. 5,500 square feet. 23 feet high. Top-roping and bouldering. Guiding. Gear shop. Information on climbing at Grand Ledge, Michigan including an online guidebook. - http://www.higround.com/