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William O'Brien State Park

Leaf color:

25-50%
Flower color:

past peak
Grass color:

past peak
color guide

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Details:

Where to go: Drive down to Lake Alice to catch most of the color change.

What you'll see: The color changes within the park are occurring in a few pockets of area; overall change is closer to the 30% range. Maples are showing in the lower parts of the park nearest the riverway, however aspens have already started to drop their leaves. The Valley area is still showing a lot of green punctuated by areas of full color change. Sumacs, wild grape, Virginia Creeper, and woodbine are showing.

Also of interest: Join the naturalist for a phenology hike Saturday morning. Learn about nature's changes in both plant and animal life as mother nature prepares for winter. Please see the park online event calender for more details and for a full selection of programming.

Last updated: October 2, 2013 

Special Offer for Park Permits

Can’t decide between a one-day or year-round park permit? The DNR has a special offer that can help. Start by purchasing a one-day permit for $5 and visit as many state parks as possible. After visiting the state parks, trade in the one-day permit by the end of that day and get $5 off the purchase of a year-round permit. Year-round permits, which cost $25, provide unlimited access to all 76 Minnesota state parks and recreation areas for a full year from the month of purchase.
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Getting there

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


The park is located 12 miles north of Stillwater, just north of the town of Marine on St. Croix. The park entrance is located right on State Highway 95. After turning onto the park road the ranger station is immediately on your right.
GPS Coordinates:
45 13.521
92 45.827

Contact

Phone: 651-433-0500


Email: williamobrien.statepark@state.mn.us


Best time to contact the park:

Spring, Summer & Fall: Daily starting at 8 AM. If no one is available, please leave a message and we will get back to you.

Winter: Hours will vary. If no one is available, please leave a message.