Originally Posted by
bagel007
If I'm not mistaken, also this segment, between Alpine Picnic Area and Palisades Headquarters, seems permitted to cyclists:
http://www.gmap-pedometer.com/?r=2963367
Quite a steep ascent though! But if I park the car at the Hudson River in the picnic area, at any point of riding the bike up the hill I can turn around and get back.
Or just park at the top by the police station. That will force you to make the climb back to the top! :-)