Peirce Mill is closed for repairs until further notice.
Peirce Barn is open noon to 5:00 PM daily.
Ranger led programs Park Rangers at give Ranger led programs at Peirce Barn. Check program listing for Rock Creek Park. more...
Boulder Bridge over Rock Creek Rock Creek Park FAQ's more...
Did You Know?
The most productive time for Peirce Mill was during the Civil War. During this time, Peirce Mill and all the other millworks along Rock Creek were processing grains to supply flour and meal for Union soldiers stationed in Washington, DC and abroad.