Snow Depth and Groomed Trail Conditions

William O'Brien State Park

Trail conditions:

Ski season has started for now. The trails were groomed 12/8. There is not enough snow for tracks. There are some bare patches and rocks otherwise the trails are nice.Please purchase your ski pass, the park will be enforcing the rules. All hikers, walkers, people with pets need to stay off the groomed ski trails. Ski season is short and setting up the initial base will impact skiing throughout the season. Enjoy the snow while the weather is nice and the trails are nicer.

Trail conditions: fair
Trail groomed? yes
Trail base: 1"
Trail mileage: 24
Difficulty: all levels (track)  all levels (skate)

The trail(s):
Ski trails are groomed for both skating and traditional use on the same trail. One set of tracks are on the right side of each trail and an eight foot skating surface is on the left side of the trail.
You can snowshoe anywhere in Minnesota's state parks and recreation areas, except on trails that are specifically groomed for another activity, such as skiing or snowmobiling.


  • A year-round, heated, Visitor Center is located at the park.
  • Daily ski passes are sold at the park office.
  • Winter camping is available on a first-come, first-served basis. Self-registration is available at the park office.

William O'Brien State Park home page »

Last updated on December 08, 2022. Local snow depth is 2".

Getting there

16821 O'Brien Trail North
Marine on St. Croix, MN 55047

The park entrance is located two miles north of Marine on St. Croix on Highway 95. Follow the park road and signs to the Visitor Center.

Parking available at the Visitor Center.


Phone: (651) 539-4980
Email: [email protected]
Park is open 8am - 10pm. Winter contact hours vary. If no one is available, please leave a message.

More Info

Skiing »
Ski pass »
Snowmobiling »