Historic Park • Pioneer Buildings
Old Mill Park
A small downtown historic park where relocated pioneer-era buildings, gardens and artifacts create an approachable window into early life in the St. Vrain Valley.
📍 Address: 237 Pratt Street, Longmont, CO
80501
☎ Historical Society:
303-776-1870
🕐 Access: Seasonal hours and private
closures can change; docent tours generally require
reservations.