Flynn Brook is a river in Delaware County in New York. It flows into the Pepacton Reservoir east of Downsville.

Flynn Brook
Location of the mouth of Flynn Brook in New York Show map of New York Flynn Brook (the United States) Show map of the United States
Location
Country	United States
State	New York
County	Delaware
Physical characteristics
Source
• coordinates	42°06′21″N 74°52′06″W
Mouth	Pepacton Reservoir
• coordinates	42°05′36″N 74°52′28″W[1]
• elevation	1,280 ft (390 m)

References