This is a unique spot in with unique pool formations and green water.
Canajoharie Gorge, publicly accessible, is located in (Canajoharie Village) CNY is a popular creek walk and features Canajoharie Falls, accessible from Wintergreen Park. The most popular attraction is called the Boiling Pot, which is a large round pool in the rocks.
There is conflicting information on whether swimming is allowed, but according to the nyfalls website (linked below), it is open to the public. However, please abide by any recently posted signs and regulations.
Wintergreen Park is open open May 31 to Labor Day.