Idaho State Highway 47

Major junctionsWest end US 20 in AshtonMajor intersections SH-32 east of AshtonEast end4350 East and 1900 North northtwest of Warm River LocationCountryUnited StatesStateIdahoCountiesFremont Highway system

• Idaho State Highway System

• Interstate
• US
• State

← SH-46

→ SH-48

State Highway 47 (SH‑47) is a 12.420-mile (19.988 km) state highway in Fremont County, Idaho, United States, that connects U.S. Route 20 (US 20) in Ashton with the Mesa Falls Scenic Byway (northeast of Warm River).

Route description

SH‑47 starts at an intersection with US 20 and heads due east as Main Street through Ashton. The highway continues east after an intersection with the northern terminus of Idaho State Highway 32, passing through Marysville as East 1300 North. Slowly, SH‑47 bends to the north as Mesa Falls Scenic Byway, going through Warm River and crossing over the same-named river. SH‑47 ends in the Targhee National Forest.^[1][2]

Major intersections

The entire route is in Fremont County.

Location	mi[1]	km	Destinations	Notes
Ashton	0.000	0.000	East 1300 North west	Continuation west from western terminus
			US 20 north – Island Park, West Yellostone (Montana) US 20 south – St. Anthony, Sugar City, Rexburg, Idaho Falls	Western terminus
​	1.010	1.625	North 3600 East north SH-32 south (North 3600 East) – Tetonia, Driggs, Rexburg	Northern end of SH-32
​	12.420	19.988	4350 East / 1900 North	Eastern terminus
			Mesa Falls Scenic Byway – Island Park	Continuation north from eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also