Appalachian Trail: PA 309 to Lehigh Gap
See why thru-hikers nickname this area Rocksylvania. This 13.5-mile leg runs along a knife-edge ridge, then scrambles around sedan-sized boulders, and ends at a refreshing swimming hole in the Lehigh River.
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Shelters: Baked Oven Knob Shelter; sleeps 6. George W. Outerbridge Shelter; sleeps 6.


Trail Facts
- Distance: 21.7
Waypoints
WPT012
Location: 40.780101776123, -75.6460189819336
Blue blaze North Trail; very scenic 2 mi.
WPT009
Location: 40.7824821472168, -75.6195831298828
Blue blaze North Trail
WPT023
Location: 40.7672004699707, -75.6980514526367
AT relocation
WPT012
Location: 40.7074317932129, -75.8073654174805
PA 309; Blue Mountain Summit; parking
WPT025
Location: 40.754451751709, -75.7268981933594
Trail to shelter
WPT006
Location: 40.7307014465332, -75.7677307128906
The Knife Edge
WPT016
Location: 40.7758331298828, -75.6750869750976
Blue blaze to view
WPT003
Location: 40.7835998535156, -75.6056365966797
AT turns E on PA 248
WPT014
Location: 40.7781982421875, -75.6600341796875
Blue blaze to view
WPT013
Location: 40.7796897888184, -75.6525573730469
Radio Tower; PA turnpike goes under Lehigh Valley Mtn. through tunnel
WPT020
Location: 40.7697830200195, -75.6941833496094
Ashfield Road; AT relocation; Lehigh Furnace Gap; parking
WPT010
Location: 40.7809829711914, -75.6379318237305
Gravel road
WPT007
Location: 40.7825164794922, -75.6178359985352
George W. Outerbridge Shelter
WPT026
Location: 40.7541999816894, -75.7269821166992
Bake Oven Knob Shelter
WPT027
Location: 40.7487182617188, -75.7340316772461
Bake Oven Knob
WPT006
Location: 40.7827987670898, -75.6169509887695
Piped spring
WPT015
Location: 40.778450012207, -75.6618347167969
View N
WPT004
Location: 40.732666015625, -75.7621307373047
View
WPT008
Location: 40.7228660583496, -75.7830963134766
Powerline
WPT002
Location: 40.7820281982422, -75.6037292480469
PA 248
WPT005
Location: 40.7809829711914, -75.6120681762695
Trail to Osprey House
WPT021
Location: 40.7689018249512, -75.6955261230469
Powerline
WPT007
Location: 40.7231330871582, -75.7827987670898
Blue blaze to New Tripoli Campsite
WPT017
Location: 40.775032043457, -75.6766815185547
Game land marker
WPT011
Location: 40.7099685668945, -75.8046340942383
AT turns E
WPT024
Location: 40.7822685241699, -75.6039199829102
PA 248, AT crosses PA 248 here before backtracking on the otherside of the road and then turning L onto PA 873 over bridge
WPT004
Location: 40.7811012268066, -75.6086349487305
PA 873; AT crosses bridge across Lehigh River
WPT001
Location: 40.7447319030762, -75.7380142211914
Bake Over Knob Road; parking
WPT011
Location: 40.7803649902344, -75.6413192749024
Line
WPT023
Location: 40.7836265563965, -75.6045989990234
Lehigh Gap; gravel parking lot
WPT003
Location: 40.7344017028809, -75.758918762207
Blue blaze to Bear Rocks
DSCF0825
Location: 40.7686004638672, -75.6961975097656
DSCF0819
Location: 40.782585144043, -75.6175994873047