California State Route 203

State Route 203
Route information
Defined by S&HC § 503
Maintained by Caltrans
Length: 8.67 mi[1] (13.95 km)
Major junctions
West end: Minaret Summit
East end: US 395 near Mammoth Lakes
Highway system

State highways in California(list • pre-1964)
History • Unconstructed • Deleted • Freeway • Scenic

SR 202 SR 204

State Route 203 is a state highway within Mono County, California, USA. It runs from the Madera-Mono county line (Minaret Summit) to U.S. Route 395 passing through the town of Mammoth Lakes.

Within Mammoth Lakes, State Route 203 is known as both "Minaret Road" and "Main Street." It connects to Lake Mary and the Mammoth Scenic Loop via secondary roads.

Route description

The route begins at Minaret Summit at Devils Postpile National Monument. It then heads east to Mammoth Scenic Loop Road, where it continues at shortly enters the town of Mammoth Lakes, where it is known as both "Minaret Road" and "Main Street". It continues east to its end at U.S. Route 395.

Major intersections

Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage.

The entire route is in Mono County.

Location Postmile
[2][3][4]
Destinations Notes
L0.00 Minaret Summit Road – Devils Postpile National Monument
R3.80 Mammoth Scenic Loop Road to US 395
Mammoth Lakes 4.78 Lake Mary Road – Lake Mary
R8.67 US 395 – Lee Vining, Bishop Interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References