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Square Lake is a shore accessible fresh water dive site, located at 15450 Square Lake Trail N., Stillwater, MN 55082. This dive site has an average rating of 2.91 out of 5 from 11 scuba divers. The maximum depth is 61-70ft/19-21m. The average visibility is 16-20ft/5-6m.

Square Lake near Stillwater, Minnesota, is a popular diving destination in the Twin Cities area. Underwater attractions include sunken boats and canoes, and the tail section of a plane. Shallow depths and easy lake access from two neighboring parks help make Square Lake an active year-round dive site. The Washington County, Minnesota, government Web site has a map specifying an entry spot for divers, plus lots of other pertinent information.

Vehicle permits are required on all vehicles entering the park. Permits can be purchased from staff at the park gatehouse, however, staff is only present during peak summer hours. In the absence of staff, deposit the permit fee into the envelope and payment box next to the gatehouse building. Visitors should follow the instructions on the envelope.

Depths to: 68 feet (21 m).

Visibility: 15-20 feet (4.5-6 m).

Water temperature: About 70 degrees Fahrenheit (21 degrees Celsius) in the summer.

Aquatic life: Northern pike, bluegill, yellow perch, trout.

Fees: None for recreational diving but county park vehicle permits cost $5 per day or $25 for an annual pass. Scuba instructor permits cost $100.

On-site amenities: Picnic tables, restrooms, swimming beach, canoe launch, and fishing pier.

More info: Call Washington County at (651) 430-6000. You can also visit, click on the "Department and Services Directory" on the left side of the page, scroll down and click on "Parks," and then click on Square Lake Park on the right.

Open: Park hours are from 7 a.m. to one-half hour after sunset, year-round.

Getting there: From Minnesota Highway 36, follow County Road 15 (Manning Avenue North) to the north. Stay on County Road 15 for 7 miles to County Road 7 (Square Lake Trail). Turn right (east) on to County Road 7 and follow for 4 miles. Turn left in to the park. From State Highway 95, follow County Road 59 (Square Lake Trail North) to the west for 2 miles to County Road 7. Turn left (west) on County Road 7 and immediately turn right into the park.

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