William O'Brien State Park, Marine on Saint Croix

4.3
#57 of 85 in Nature in Minnesota
William O'Brien State Park is a 1520acre state park of Minnesota, USA, along the St. Croix River. Its hiking trails traverse rolling glacial moraine, riparian zones, restored oak savanna, wooded areas and bogs. It is a popular place for birdwatching, picnics, camping, cross-country skiing, canoeing, fishing, and other typical outdoor recreational activities.The park is located approximately two miles north of the town of Marine on St. Croix, Minnesota.HistoryThe St. Croix river valley was inhabited by Dakota and Ojibwa. European trappers commercialized the fur-trade in the 17th century. Extensive logging took place in the mid-19th century; white pines were the target and most other tree species were ignored. Once the white pine was gone the lumber companies were happy to sell, and a lumber baron named William O'Brien bought up much of the land for his personal estate. In 1945, 20 years after William O'Brien's death, his daughter Alice offered 180acre along the riverfront to the state. The donation was eagerly accepted, as Minnesota did not yet have a state park near the Twin Cities, and the park was ratified by the legislature two years later. The proximity to the metro area was a mixed blessing. Land was added to the park at every opportunity, to reduce crowding and to prevent housing developments from being built right up to the boundary. In 1958‚ S. David Greenberg donated Greenberg Island in memory of his parents. Accessible only by canoe‚ the island has become a haven for wildlife and wildflowers. The park was expanded into the bluffs west of Highway 95 and a second campground added. A large tract was added in 1973, leapfrogging a rail line, and another 120acre came in 1986. William O'Brien remains one of the top five most-visited state parks in Minnesota.
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William O'Brien State Park Reviews
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38 reviews
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4.5
TripAdvisor
  • September 10, 2017
    The park was beautiful and the beach was perfect. The benches on the beach was nice to sit on. The woods and flowers were very pretty. The visitor center was fun and many things to look at  more »
  • August 13, 2017
    This is a nice Park for family camping and only half hour from Twin cities. Great for hiking as well. The Hiking trails are nice, the park is clean and we had a great time.  more »
  • June 25, 2017
    We visited this park on a Sunday afternoon. The weather was sunny and mild, and we walked most of trails on the visitor center side for about 3 hours. Then we drove to east side of the park with the b...  more »
Google
  • May 20, 2017
    Great little park. Happy feel, beautiful scenery. One of my favorites near the cities. Excellent riverfront and facilities, campsites and staff. My only qualm is the busyness for its proximity to the cities, and now all sites are 100% reserveable; book your site early!!! Not as easy to roll in and have sites open for those making a day trip into a night trip on a whim. In the summer this place is jam-packed. Be mindful.
  • July 6, 2017
    Such a beautiful park. The staff are friendly and helpful. Sometimes there are a few too many families with young kids who make it difficult to call it "quiet" but that's usually only during busy weekends.
  • June 5, 2017
    Went camping here. Great park. Word of warning though, while it says regular camp sites are good for up to 6 people, many of them are not large enough for 6 unless you are all sleeping in one tent. So if you have more than 4 people, I would go for a group camp in this particular park.
  • April 19, 2017
    What a fantastic state park. I went for a day hike, but the camping areas seem great too. The sites on the upper half of the park have old growth trees surrounding the sites. I never The trails were amazing, very well kept, even for early spring. The trails take you through marsh, heavily wooded forest, rivers, and prairie fields. One thing I look for when going to a park is how well they are maintained and how well the park is signed. This state park has been the best so far. I don't think there was one fork in the trail that didn't have a sign with a detailed map and a noted spot of where you were along with distances till the next fork in the trail. Within this park you should see and hear a great amount of wildlife. Everything from deer, frogs, beaver, and all sorts of bird life. Truly a nice park, I will be back for sure.
  • July 8, 2017
    Nice daytime facilities, but the campground is terrible if you are tent camping. Seems like all sites are electric, and you're on top of each other like sardines. Definitely won't camp here.

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