Crystal Brook is a river in Delaware County, New York. It flows into Beaver Kill northwest of Butternut Grove.

Crystal Brook
Location of the mouth of Crystal Brook
Location
Country	United States
State	New York
County	Delaware
Physical characteristics
Source
• coordinates	42°16′31″N 75°04′23″W
Mouth	Beaver Kill
• coordinates	42°15′42″N 75°03′04″W[1]
• elevation	1,647 ft (502 m)

References