To get here from RT 73 in Keene Valley: A very rough road continues down into a deep valley. Nice bike ride from Sag Harbor. This is not the first floating pool in the New York area - around there were several in both the Hudson and East Rivers - which used the actual river water back when it was cleaner than now. Keep right at all forks and you will come to the lake and the main "beach" and rope swing. Pass the small town then take a left fork onto Yorkland Road.
There is an official trail starting from the southeast side of the river, several spots can be found in the first 5 minutes of walk.
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Deep pool at bend in Schoharie Creek. There are many times that there are people there, but also many times, there is no one but you. If you keep walking up this trail, you will come to the Kingston Reservoir and, eventually, to Big Deep, see below for an easier access. Look at this YouTube video. The swimming places are here. Park here and follow the trail to the stream and a swimming hole. Walk up this road past the road barrier, over the decrepit Cannon Brook bridge, for a total of about hour where you will come into a field of trees and brush Part of Indian Clearing and an obscure fork in the trail.
Go north alongside of a swampy area then follow the east bank of the Jessup River, rough going, easy to get lost, use your compass. A Family-Friendly Walden's Pond. To get here from RT 73 in Keene: There is primitive camping at site - commercial campgrounds and state park campgrounds nearby. Swimming is not advised here- deep gorge, swift current. Bash Bish Falls is 2 miles further down road.