 State Route 203 | ||||
|---|---|---|---|---|
 SR 203 highlighted in red | ||||
| Route information | ||||
| Maintained by Caltrans | ||||
| Length | 8.67 mi[1] (13.95 km) | |||
| Restrictions | Segment from the Mammoth Mountain Ski Area west to Minaret Summit closed in winter | |||
| Major junctions | ||||
| West end | Minaret Summit | |||
| East end |  US 395 near Mammoth Lakes | |||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Mono | |||
| Highway system | ||||
| ||||
State Route 203 is a state highway in the U.S. state of California that serves as a spur route from U.S. Route 395 in Mono County to the town of Mammoth Lakes and Minaret Summit. Within Mammoth Lakes, State Route 203 is known as both "Minaret Road" and "Main Street." It connects to Lake Mary Road and the Mammoth Scenic Loop via secondary roads.