Muni trails in DC area

Does any know of any muni trails near Rockville Maryland? (I live about 30 miles north west of the white house.) Any suggestions would be greatly appreciated.

-Grant

senaca creek park is very close to rockville. check it out.
there’s also gambrills state park in frederick, md and great falls park on the virginia side.

-eric

I am in school in DC! Pick me up on your way!

Trip