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Grand Lake St. Marys State Park
State park · St Marys, Ohio
Park on the edge of a man-made reservoir, with camping facilities, bike rentals & winter recreation.
Things to Do Near Grand Lake St. Marys State Park
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Frequently asked questions
- Where is Grand Lake St. Marys State Park?
- Grand Lake St. Marys State Park is a state park in St Marys, Ohio.
- Can you swim at Grand Lake St. Marys State Park?
- There is no fixed answer for Grand Lake St. Marys State Park: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Grand Lake St. Marys State Park in St Marys, Ohio. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Grand Lake St. Marys State Park rated?
- Grand Lake St. Marys State Park in St Marys, Ohio has an average visitor rating of 4.4 out of 5, based on 1415 reviews.
- What amenities does Grand Lake St. Marys State Park have?
- Visitor-listed amenities at Grand Lake St. Marys State Park include camping-nearby.
Visitor Reviews
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Best Times to Visit
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
Location & Contact
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