- Southern Terminus:
- Somerstown Turnpike (US 202) in Croton Falls
- Northern Terminus:
- Stoneleigh Avenue (Putnam CR 35) at the Westchester-Putnam county line
- 0.25 miles
Stoneleigh Avenue is a north/south route extending from Croton Falls to Carmel. It is located almost entirely in Putnam County, where it is designated CR 35, There is a short section in Westchester County that is designated CR 137 and extends a quarter of a mile from Somerstown Turnpike (US 202) to the county line. CR 137 is erroneously marked as Daisy Lane in county documents, but it is actually signed as Stoneleigh Avenue.