William O'Brien State Park is a 1,520-acre state park of Minnesota, USA, along the St. Croix River. Its hiking trails traverse rolling glacial moraine, …
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Tripadvisor
4.0/5 · 62 reviews
5-star
31%
4-star
31%
3-star
23%
2-star
8%
1-star
7%
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Sep 7, 2024
Worst State park we've been to. Staff were rude and nasty. Continued to tell us we were to loud when we were whispering. Kicked us out the next day. Bathrooms were Terrible. Paths were very unkempt. …Full review by Desirae J
Jul 13, 2024
Nice hiking area that combines wetlands, densely wooded forest and rolling prairie. While not as interesting as many of the other Minnesota State Parks, William O' Brien is close to the Twin Cities m…Full review by TravelingSoccerLoon
Jul 6, 2023
This was a great park with very generous campsites. We were in sites 108 and 104 which ended up being next to each other. This location was handy to the water spigot and bath house which was a huge p…Full review by CandaceB_Indy
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What is an aquatic management area?
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Aquatic management areas (AMAs) may be established to protect, develop, and manage lakes, rivers, streams, and adjacent wetlands and lands that are critical for...
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