Highlands Natural Pool
Highlands Natural Pool, 180 Snake Den Rd, Ringwood, NJ 07456, USA
About
An Olympic-sized, chemical-free swimming pool fed by mountain streams in Ringwood, NJ, carved out of a hillside by hand in 1935 and still going strong. There's a shallow zero-entry section for little ones, a deep end with a diving board for older kids, lifeguards, hiking trails, and picnic groves on site. Day passes run $10-$25 depending on age and day.