State Park · Ohio, United States

Grand Lake St. Marys State Park

Grand Lake St. Marys State Park is a state park in Ohio, United States, established in 1949.

Grand Lake St. Marys State Park
Grand Lake St. Marys State Park.

Photo: Bruin via Wikimedia Commons, CC BY 2.0. Cropped and resized for display.

Park facts

Park typeState Park
LocationAuglaize, Ohio, United States
Established1949
Coordinates40.5312° N, 84.4997° W
Managed byOhio state park system

Every fact above is taken from the sources listed below; anything no source states is left blank rather than guessed.

About Grand Lake St. Marys State Park

Grand Lake St. Marys State Park is a public recreation area located on 13,500-acre (5,500 ha) Grand Lake in Mercer and Auglaize counties, Ohio. Grand Lake is the largest inland lake in Ohio in terms of area, but is shallow, with an average depth of only 5–7 feet (1.5–2.1 m). The state park is open for year-round recreation, including boating, fishing, swimming and hunting. The park consists of the lake and park facilities scattered all around the shore intermingled with private property and a facility operated by Wright State University. It is west of St.

Description from the park's Wikipedia article (CC BY-SA), linked in the sources below.

Planning your visit

Best time to visit

Open year-round

What to do

FishingBoatingSwimmingHunting

Airports near this park

The airports a visitor would actually fly into, nearest first — each link opens its profile on our sister site AirportProfiles.

Parks nearby

More parks in Ohio

Frequently asked questions

Where is Grand Lake St. Marys State Park?

Grand Lake St. Marys State Park is in Ohio, United States (40.5312° N, 84.4997° W).

When was Grand Lake St. Marys State Park established?

Grand Lake St. Marys State Park was established in 1949, per the source listed at the foot of this page.

When is the best time to visit Grand Lake St. Marys State Park?

Open year-round.

Sources