Wilderness Landscape & Natural Heritage
Grand Lake St. Marys State Park is located in western Ohio and envelops Grand Lake St. Marys, a 13,500-acre artificial reservoir originally constructed in the 19th century as a feeder for the Miami and Erie Canal. The park covers over 5,000 acres, featuring extensive shoreline, wetlands, and wooded areas. It provides vital habitat for waterfowl, fish species, and other wildlife amidst its mixed oak, maple, and sycamore forests. Visitors come to enjoy fishing for bass, bluegill, and catfish, as well as boating, kayaking, and paddleboarding on the lake's calm waters. The park includes more than 30 miles of trails serving hikers, mountain bikers, and equestrians. Its campgrounds offer both modern amenities and rustic settings, making it a favored destination for families and outdoor enthusiasts alike. Historically, the reservoir was engineered in the 1820s and remains a prominent landmark reflecting Ohio’s canal era. During warmer months, the park hosts popular events such as birdwatching tours and fishing tournaments. The mix of aquatic and terrestrial environments provides varied wildlife viewing opportunities, especially during migratory seasons. Overall, Grand Lake St. Marys State Park presents a well-rounded outdoor experience that combines water-based fun with woodland exploration, ideal for visitors seeking both active recreation and tranquil natural settings.
