Old Mill State Park
Overview
Old Mill State Park is a small Minnesota state park on the Middle River between Argyle and Newfolden on an ancient beach of glacial Lake Agassiz in Marshall County in the northwestern part of the state.
It is a 406-acre (164 ha) park.
- Trails
- 5
- Viewpoints
- 12
- Activities
- 0
- POIs
- 24
Opening Hours08:00 AM – 10:00 PM Alerts & Advisories
Stay informed before heading out
Popular/Nearby Trails
Nearby Viewpoints
Nearby Points of Interest
Amenities Available
Paved Parking LotsDesignated vehicle parking areas with clearly marked spaces and ADA-accessible spots mandated by federal law. Most parks offer free or low-cost daily parking passes.
Restrooms / Flush ToiletsModern restroom facilities with running water and proper sanitation. Subject to seasonal closures in northern states during winter months.
Drinking Water FountainsPotable water stations distributed throughout the park, tested regularly for safety to ensure clean water access for all visitors.
Picnic Areas & SheltersCovered pavilions equipped with tables and built-in grills. Shelters are often reservable for group events and birthday parties.
Hiking & Nature TrailsMarked paths ranging from easy, paved walks to rugged backcountry routes, blazed with color-coded markers and difficulty ratings.
CampgroundsTent and RV sites featuring fire rings and picnic tables. Some include full electric hookups, reservable through Recreation.gov.
Historic Site
Swimming Areas / BeachesDesignated swim zones with seasonal lifeguard coverage. Daily water quality reports are posted at the entrance and online.
Open · 08:00 – 22:00
- Paved Parking Lots
- Restrooms / Flush Toilets
- Drinking Water Fountains
- Picnic Areas & Shelters
- Hiking & Nature Trails
- Campgrounds
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