State Forest · Minnesota
Boulder Campground and Day-Use Area
State Forest · Minnesota, United States · in St. Croix State Forest
- Sites
- 22
- Cost
- $17 per night, taxes included
- Drinking water
- Yes
- Restrooms
- Yes
- Elevation
- 1,017 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile weak · Verizon weak · AT&T good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Phone
- 320-280-7880
About
Boulder Campground and Day Use Area offer a great alternative to the more developed and heavily used St. Croix State Park. The campground and day use area are adjacent to the Rock Lake public landing.
The day use area has six picnic sites. The campsites are primitive, designed to furnish only the basic needs of the camper. Each campsite has a cleared area, a fire ring and a table. Drinking water and vault toilets are nearby. There are no garbage cans - please carry out all your trash.
Fish, swim, hike the trails.
22 primitive campsites, 1 of them accessible. First come, first served for individual sites; pay the camping fee online on the day you arrive, or at a state park ranger station. Managed from St. Croix State Park (320-280-7880). In St. Croix State Forest.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 19° | 0° | -29° | 42° | 11 of 11 |
| February | 25° | 8° | -30° | 53° | 11 of 11 |
| March | 40° | 24° | -10° | 71° | 11 of 11 |
| April | 50° | 33° | 14° | 78° | 9 of 11 |
| May | 67° | 47° | 32° | 82° | 0 of 11 |
| June | 76° | 58° | 46° | 91° | 0 of 11 |
| July | 81° | 63° | 54° | 93° | 0 of 11 |
| August | 77° | 62° | 54° | 88° | 0 of 11 |
| September | 74° | 57° | 40° | 86° | 0 of 11 |
| October | 57° | 42° | 26° | 72° | 3 of 10 |
| November | 38° | 28° | 7° | 63° | 9 of 10 |
| December | 28° | 15° | -17° | 55° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Tamarack Horse Campground and Day-Use Area · State Forest · 2 mi · 56 sites
- St. Croix State Park · Minnesota State Parks · 11 mi · 211 sites
- Robinson Quarry Park Campground · City, County & Regional Parks · 22 mi · 8 sites
- Banning State Park · Minnesota State Parks · 22 mi · 33 sites
- James N. McNally Campground · City, County & Regional Parks · 23 mi · 68 sites
All public campgrounds in Minnesota · Every state and province · Facts read from the operator 2026-09-17. Confirm fees, rules and current status with the operator before you go.