New Mexico State Road 485

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State Road 485 marker

State Road 485
Route information
Maintained by NMDOT
Length 3.900 mi[1] (6.276 km)
Major junctions
South end NM 4 near Jemez Pueblo
North end Forest Road 376 near Cañones
Counties Sandoval
Highway system
  • State Roads in New Mexico
NM 484 US 491
Gilman tunnels on FR376 can be reached vis NM 485
Gilman Tunnels (3679124645).jpg

State Road 485 (NM 485) is a state highway in the US state of New Mexico. Its total length is approximately four miles (6.4 km). NM 485's southern terminus is near the small town of Jemez Pueblo, at NM 4. The route passes through land belonging to the pueblo near the Nacimiento Mountains and follows the canyon of the Rio Guadalupe until the pavement ends. The highway intersects and adjoins the Jemez Mountain Trail National Scenic Byway.[2]

Gilman Tunnels[edit]

The road through the Rio Guadalupe box canyon bears the designation Forest Road 376 in Santa Fe National Forest near the unincorporated town of Cañones (or Gilman). The continuation as Forest Road 376 eventually terminates at New Mexico State Road 126 east of San Pedro Parks Wilderness. The route incorporates the Gilman Tunnels (1 mi (1.6 km) beyond the transition to Forest Road 376) which was part of the former Santa Fe Northwestern Railway (SFNW) through the canyon which was used to haul lumber from the Jemez Mountains. The railway opened in 1924 but never recovered financially from the Wall Street Crash of 1929,[3] and ceased operations in May 1941 following flood damage from the Rio Guadalupe.[4]

The Gilman Tunnels were used in the filming of the 2007 motion picture 3:10 to Yuma.[5]

Major intersections[edit]

The entire route is in Sandoval County.

Location mi[1] km Destinations Notes
0.000 0.000 NM 4 Southern terminus
3.900 6.276 Forest Road 376 Northern terminus; road continues into Santa Fe National Forest
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b "Posted Route–Legal Description" (PDF). New Mexico Department of Transportation. March 16, 2010. p. 91. Retrieved December 19, 2013. 
  2. ^ State of New Mexico, Tourism Department. "Jemez Mountain Trail National Scenic Byway". Archived from the original on March 26, 2009. Retrieved April 9, 2009. 
  3. ^ "Exploring Gilman Canyon". The Sandoval Signpost. Retrieved August 11, 2013. 
  4. ^ Myrick, David F. (1970). New Mexico's Railroads. Colorado Railroad Museum. pp. 175&176. 
  5. ^ Devall, Kimberly A. (November 24, 2006). "Gilman Tunnels To Close Temporarily For Filming" (Press release). Santa Fe National Forest, United States Forest Service. Retrieved December 14, 2012.  (subscription required)

External links[edit]

Route map: Google

KML is from Wikidata

Geographic data related to New Mexico State Road 485 at OpenStreetMap