Lake Mary Ronan State Park, Natural state park in Lake County, Montana
Lake Mary Ronan State Park covers 120 acres on the east side of Lake Mary Ronan, a 1,500-acre lake that reaches 47 feet at its deepest point. The park lies 7 miles northwest of Dayton, Montana, and holds 25 campsites and a boat ramp.
The park was established in 1967 as a formal state recreation area to protect the landscape. Over time, camping sites and boat facilities were added to serve a growing number of visitors.
The park serves as a gathering place for local anglers pursuing kokanee salmon and other fish species found in the lake. This fishing tradition reflects how people in the region have long connected with the water and its natural resources.
The area has 25 camping sites, with some offering seasonal electricity during the warmer months. Water services are available between May and September, while the park remains open from May through November.
Lake Mary Ronan reaches a maximum depth of 47 feet and is stocked to keep its kokanee salmon and yellow perch fisheries going. The park covers 120 acres on the lake's east shore, about seven miles northwest of Dayton, and holds 25 campsites plus a boat ramp.
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