Colvin Run Mill Historic Site

Fairfax County, Virginia

CONTACT INFORMATION: Hours: Daily 11 a.m. - 4 p.m. Closed Tuesdays. Facility hours and tour times may vary when school field trips are on-site

10017 Colvin Run Road
Great Falls, Virginia 22066

Mike Henry,

Colvin Run Mill Hours and Fees

Hours of Operation

Office and building hours:  11 a.m. - 4 p.m., Wednesday through Monday.   Closed Tuesdays.

Park grounds are open dawn to dusk daily.


Hourly tours begin at 11 a.m. except when school field trips are on site. Public tours begin at 1 p.m. on days that host school field trips.  Last tour departs at 3 p.m. 

Sign up for tours at the park's General Store.


Grinding demonstrations are noon to 3 p.m. on the first and third Sundays of the month, April through October. Call ahead to confirm that conditions permit grinding. 703-759-2771


  • No entry fee to the grounds for individuals or families. Entry to the mill is by paid tour only. 
  • Group Admission Fee For Grounds Only: $30 for groups of 12-60 people. For groups over 60, add $1 for each additional person. A group is any organized gathering or activity. Prepayment can be arranged by calling the office at 703-759-2771. Groups will receive a pass after payment. Please keep the pass available. Staff may check for fee compliance.
  • Tours
  • Group tours of the mill require reservations. Call 703-729-2771 at least two weeks in advance. 
  • Group Trail Use Fees (See page 36)
  • Commercial Photography Permit Fee
  • Business Activity License
  • Complete Park Fee Schedule for All Activities

For further information about parks and permits, call 703-324-8516.


Staff readies a grinding stone for the first grind of the year


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