Unpaved Bike Paths Ride

Start at Art Museum
take West River Drive or Kelly Drive north
if going on West River Drive, cross Falls Bridge
when you're north of Falls Bridge, make sure you 
   stay on the bike path between Kelly Drive and the river
follow this path goes until it hits Ridge
turn L, stay on the sidewalk, cross a creek
   (the creek is Wissahickon Creek)
you'll almost immediately come to a traffic light 
   (at the entrance to the canoe club)
cross the street (Ridge) at this light 
   (there's a button on the pole supporting the lights that
   you can press to change the signal)
immedately across the street is a paved path that 
   follows the creek. take this path
follow it (you are going north) staying on the left (west) side of the
   creek as long as you can
finally you'll cross the creek and soon thereafter find youself in a 
   little parking lot
turn L at this parking lot and you'll find a wide gravel road
   go on this road (this is Forbidden Drive)
soon after exiting the parking lot, Forbidden Drive crosses to
    the left side of the creek and stays on that side until it ends
follow Forbidden Drive until it ends, enjoying the scenery
when it ends, BL onto Andorra (this is a regular road)
R at T Park
L at T Church
X Ridge to Harts La
R Barren Hill
R at bottom of hill tso Barren Hill
L at 1st light (Hector)
L at 1st light (Lee Park office bldg on corner)
L onto bike path at station
R at T Port Royal Rd (probably um)
QL at T Nixon (probably um)
go straignt, go past the Shawmont Station
R onto cobblestone road
L at T on gravel path (this is the Manayunk Canal Path)
L when this ends, this is Lock St
R Main St in Manayunk
merge with Ridge after Manayunk
R Kelly Drive and back to Art Museum