Here are some ideas to get you started:

The Rachel Carson Trail

http://www.rachelcarsontrails.org/

 (this one is a little intense, it is 34 miles….)

PowderMill Nature Reserve ( ½ Hr Drive)

http://www.powdermill.org/

Jennings Environmental Education Center (40 Min Drive)

http://www.dcnr.state.pa.us/stateparks/parks/jennings.aspx

Frick Woods Nature Reserve (5 Min Drive)

Nine Mile Run (10 min Drive)

http://www.ninemilerun.org/

Steel Valley Trail (10 Min Drive)

http://www.steelvalleytrail.org/

Phipps Conservatory

http://www.phipps.conservatory.org/

 Western Pennsylvania Conservancy

http://www.paconserve.org/

Rachel Carson Homestead (30 Min Drive)

www.rachelcarsonhomestead.org

Trillium Trail (20 Min Drive)

Chartiers Nature Conservatory (30 Min Drive)

Racoon State Park (30 Min Drive)

http://www.dcnr.state.pa.us/stateparks/parks/raccooncreek.aspx

PA Wildlife Center (20 Min Drive)

http://www.pawildlifecenter.org/