taughannock falls glacial rock face in trumansburg nys fingerlakes

215foot caprock carved cayuga cliffs creek creeks creekside currents danger devonian drop east exercise face falls finger fingerlakes flx formation geneseo geology glacial glacially glacier gorge haudenosaunee hike hiking hole ithaca lake lakes limestone moscow nation nature nys plunges region renwick rock rocky sandstone seneca shale sherburne singledrop stratigraphic swimming taughannock tompkins tourism trails trumansburg tully valley visit walking water waterfall