- Western Terminus:
- NY 26 and NY 79 in Whitney Point
- Eastern Terminus:
- Quickway (NY 17/Future I-86) in Roscoe
- 74.97 miles
- Broome, Chenango, Delaware, Sullivan
NY 206 is an east/west route extending from Whitney Point to Roscoe. It begins at NY 26 and NY 79, just east of US 11 and I-81. It runs east, eventually entering Catskill State Park. In Downsville, it is multiplexed with NY 30 for a little over a mile and splits off to the south. It ends in Roscoe, where there is an interchange with the Quickway (NY 17/Future I-86).