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State Route 431 (SR 431), commonly known as the Mount Rose Highway, is a 24.4-mile (39.3 km) two-lane highway in Washoe County, Nevada, that connects Incline Village at Lake Tahoe with Reno. The highway, a Nevada Scenic Byway, takes its name from Mount Rose, which lies just off the highway. Prior to 1976, the highway existed as State Route 27.

State Route 431 marker

State Route 431
Mount Rose Highway
Route information
Maintained by NDOT
Length: 24.413 mi[1] (39.289 km)
Existed: 1976 – present
History: SR 27 by 1941, became SR 431 in 1976
Major junctions
West end: SR 28 in Incline Village
  I‑580 / US 395 in Reno
East end:
US 395 Alt. / SR 341 in Reno
Counties: Washoe
Highway system
  • Highways in Nevada
SR 430 SR 439
View area along SR 431


Route descriptionEdit

View from the east end of SR 431 looking westbound
Sign at the Mount Rose Summit

The highway begins along the northeast shore of Lake Tahoe in the city of Incline Village, at an intersection with SR 28. The highway scales the Sierra Nevada until reaching a meadow that is used as an access for the Mount Rose Wilderness. Along the western ascent is a view area with directional markers pointing to several notable peaks in the Sierra Nevada range that surround Lake Tahoe. The highway crests the Sierra at Mount Rose Summit. The Nevada Department of Transportation has claimed in several places this is the highest summit open year-round in the Sierra Nevada mountain range, 8,911 feet (2,716 m).[2] Both the east and west approach to the summit feature hairpin curves.

On the eastern approach to the summit, the highway passes by the Mount Rose Ski Area and features overlooks with views of both Reno and the Washoe Valley. After several serpentine bends the highway arrives at an area of Reno called Galena. In Galena, the highway has a junction with Interstate 580 and US 395. It terminates at a junction with US 395 Alt. and SR 341, which continues towards Virginia City.


Reno as seen from the Mt. Rose Highway

The road has existed at least as far back as 1950 as an access to the ski areas of Mount Rose. At that time it was a dirt road only passable by automobile in the summer months.[3]

Approximately 20 miles (32 km) of SR 431 was designated as the Mount Rose Nevada Scenic Byway by the Nevada Department of Transportation on June 27, 1996.[4]

Rapid growth in the Reno area has put strain on the corridor served by the highway. This has prompted environmentalists to push for restrictions on future development along the corridor.[5]

Major intersectionsEdit

The entire route is in Washoe County.

Location mi
km Destinations Notes
Incline Village 0.0 0.0   SR 28 – Crystal Bay, Carson City Western terminus
3 4.8 Country Club Drive
8.06 12.97 View areaLake Tahoe
9 14 Mount Rose Wilderness access
10 16 Mount Rose Ski Resort
11 18 Slide Mountain Road (SR 878) – Mount Rose East Bowl
17 27 Joy Lake Road
Reno 23 37    I‑580 / US 395 – Carson City, Reno, Susanville I-580/US 395 exit 56.
24.4 39.3    
  US 395 Alt. (S. Virginia Street) – Reno, Washoe City
Eastern terminus.
  SR 341 (Geiger Grade) – Virginia City Continuation beyond eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Route transition

See alsoEdit


  1. ^ a b Nevada Department of Transportation (January 2017). "State Maintained Highways of Nevada: Descriptions and Maps". Retrieved 2017-04-10. 
  2. ^ "Mount Rose Scenic Byway". U.S. Department of Transportation - National Scenic Byways Program. 
  3. ^ "History — Mt. Rose Ski Tahoe". Mt. Rose Ski Tahoe. Retrieved 2016-08-20. 
  4. ^ "Nevada's Scenic Byways". Nevada Department of Transportation. Retrieved 13 October 2011. 
  5. ^ "Mt. Rose Scenic Corridor". Keep Washoe Wild. Retrieved 2008-02-17. 
  6. ^ Integer miles derived from: Nevada Road and Recreation Atlas (Map). 1:250000. Benchmark Maps. 2003. ISBN 0-929591-81-X. 

External linksEdit