page_title: California State Route 172
hierarchical_section_title: California State Route 172
context_page_description: State Route 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.
context_section_description: 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.
caption: Map of Tehama County in northern California with SR 172 highlighted in red