Square Lake (Square Lake Park) is a shore dive site in Minnesota, United States with depths of 1.5–20.7 m (5–68 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Northern pike, Rainbow trout, and Bluegill. Check the latest conditions and entry details before you go.
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Site hazards: Swimmers near the beach, weekend crowds, thermocline, anglers' lines
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Best: SunFavorable windowModerate window— no window
First light 6:15 · Sunrise 6:45 · Sunset 19:30
Source: Open-Meteo wind · graded 14h ago
Forecast only — always assess conditions on site.
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
Based on community reviews and site data. Conditions vary — always verify before diving.
What conditions have historically been typical at this site, month by month — not a forecast.
July hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.
Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.
Species noted at this site — not a promise of what you’ll encounter.
No dive shops mapped within 25 km. Know one? Add it to the map.
Data updated July 2026
A spring-fed 200-acre lake in Washington County near Stillwater with some of the clearest water in the Twin Cities metro (typically 10-25 ft visibility), making it the metro area's most popular dive site. The county park beach area has underwater training platforms plus sunken boats, canoes and the tail section of a Cessna airplane; maximum depth is about 68 ft. It hosts regular shop-led fun dives, including dusk dives.
Swimmers near the beach, weekend crowds, thermocline, anglers' lines
Square Lake (Square Lake Park) ranges from 1.5 to 20.7 metres deep (5–68 feet). It is a freshwater site. Depths vary across the site, so plan your profile to your training and verify conditions locally.
Square Lake (Square Lake Park) is a shore dive — you can enter from land. The entry is recorded as an easy walk-in. The entry area is recorded as sheltered from surge. Basic facilities are recorded at or near the site, and cell service is recorded as good. Entry details and parking notes, where known, are listed in the access section of this page.
Divers at Square Lake (Square Lake Park) in United States commonly report sightings of Northern pike, Rainbow trout, Bluegill, Largemouth bass, and Crayfish. Bluegill, Largemouth bass, and Crayfish are recorded as common sightings, while Rainbow trout is seasonal, while Northern pike is reported only occasionally. Marine life varies by season and conditions—check the site page for recent diver observations and photos.
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