New York State Route 9L (NY 9L) is a state highway in Warren County, New York, in the United States. The road is 18.58 miles (29.90 km) long and is a suffixed highway of U.S. Route 9 (US 9). NY 9L goes through three municipalities in Warren County: the city of Glens Falls, the town of Queensbury and the town of Lake George. It starts at an intersection with US 9 and NY 32 in Glens Falls and ends at a junction with US 9 and NY 9N in Lake George.