Route 257
Route information
Length	85 km[1] (53 mi)
Major junctions
South end	US 3 near Pittsburg, NH
Major intersections	R-112 at Weedon R-108 at Gould
North end	R-216 in Saint-Adrien
Location
Country	Canada
Province	Quebec
Major cities	Weedon, Scotstown
Highway system
Quebec provincial highways Autoroutes List Former
← R-255 → R-259

Route 257 is a north–south highway on the south shore of the St. Lawrence River, in the Eastern Townships region of Quebec, Canada. Its northern terminus is in Saint-Adrien at a junction with Route 216, and its southern terminus is at the Pittsburg–Chartierville Border Crossing, where it becomes U.S. Route 3 as it enters Pittsburg, New Hampshire.

• Saint-Adrien
• Ham-Sud
• Weedon
• Lingwick
• Scotstown
• La Patrie
• Chartierville

• 
  South end of Route 257 at Chartierville border control.
• 
  In Chartierville, a posted magnetic hill.
• 
  Junction with 210 in Chartierville.
• 
  Routes 214 and 257 in Scotstown.
• 
  Route 257 in Lingwick.
• 
  Route 257 near Weedon.
• 
  Saint-Janvier street in Weedon.
• 
  Route 257 towards mont Ham.

• List of Quebec provincial highways

• Media related to Quebec Route 257 at Wikimedia Commons
• Route 257 on Google Maps
• Provincial Route Map (Courtesy of the Quebec Ministry of Transportation) (in French)