Old Mill State Park

Old Mill State Park

Thief River Falls Visitors Guide

Upcoming Events

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May 14th, 2023 to May 20th, 2023
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July 12th, 2023 to July 16th, 2023

Old Mill State Park
33489 240th Ave N.W.
Argyle
MN 56713

Phone:
218-437-8174

Hours:
Open year-round
Visit their website

Old Mill State Park

Open year-round. See Larson’s 1880s grist mill, which is powered by a Case 359 steam engine. Historic 1940s WPA building site, on the National Historic Registry. Pioneer cabin, hiking, camping and swimming.

Historic Photo Slide Show

Location Map:

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City of Thief River Falls Chamber of Commerce Advance Thief River Pioneer Radio TRF Radio The Times