Old Mill State Park

Old Mill State Park

Thief River Falls Visitors Guide

Upcoming Events

DJ + Karaoke Night with RS Tunes
March 29th, 2025 at 8pm to 11:59pm
Winter Must Go! Variety Show
March 29th, 2025 at 8:30pm to 11:59pm
Car Reed Diffuser Bar
March 31st, 2025 at 6pm

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:

Our Partners

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