 State Route 172 | ||||
|---|---|---|---|---|
 Map of Tehama County in northern California with SR 172 highlighted in red | ||||
| Route information | ||||
| Maintained by Caltrans | ||||
| Length | 8.917 mi[1] (14.351 km) | |||
| Restrictions | Segment between Mineral and Mill Creek is typically closed in winter. | |||
| Major junctions | ||||
| West end |  SR 36 at Mineral | |||
| East end |  SR 36 / SR 89 at Morgan Springs | |||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Tehama | |||
| Highway system | ||||
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State Route 172 (SR 172) is a state highway in the U.S. state of California in Tehama County. It is a loop route off of State Route 36 that serves the Mill Creek area of Lassen National Forest.