Peirce Mill is a historic water-powered mill in Rock Creek Park, at 2401 Tilden St NW in Washington, DC. Its four floors of exhibits explain the mill’s history and machinery, and a volunteer-led talk can add detail about how it worked. The water-powered mechanism is preserved for visitors to see, though it no longer operates. Outside, trails for walking, biking and running connect the visit with the park, and an open lawn provides space for a picnic. Check tour times before you go.
Inside the mill

Peirce Mill stands in Rock Creek Park at 2401 Tilden St NW. The historic water-powered mill has four floors of exhibits about its history and how it worked. The machinery is preserved for visitors to examine, but it no longer operates.
Educational placards at the entrance introduce the site. Inside, a volunteer-led talk can explain the mill’s operation and add context to what you see. Check ahead for tour times if you want to join one.
Trails and a picnic stop

The mill is also a useful starting point for time outdoors in Rock Creek Park. Trails nearby accommodate walking, biking and more strenuous trail running. An open lawn gives you room for a picnic, and a waterfall nearby offers another place to pause.
Parking is available, including free parking options. The site recommends getting tickets in advance. If you plan to combine the mill with a trail visit, allow time for both; the mill itself can be a short stop or an hour-long visit.
FAQ
How long should I spend at Peirce Mill?
The mill visit can take as little as 10 minutes or about an hour, depending on how much time you spend with the exhibits and a volunteer-led talk.
Does Peirce Mill still operate?
The water-powered mechanism is preserved for visitors to see, but it no longer works.
Are there trails near Peirce Mill?
Yes. Rock Creek Park trails nearby are used for walking, biking and trail running.
Is parking available at Peirce Mill?
Yes. Parking is available, including free parking options.



