Distance
160.1 mi
Duration
5h 12m
Checkpoints
6
Created
JUL 16, 2026
The road
Peirce Superior Road in Kamiah, Idaho is graded at 1,534 corners, about 9.6 for every mile you drive. 411 of them are genuinely tight (27% of the road), and the sharpest turns in at an 8 m radius. The longest straight runs 4.3 miles, so there is room to breathe between the technical sections.
- Graded corners
- 1,534
- Tight (1–2)
- 411
- Tightest radius
- 8 m
- Corners per mile
- 9.6
Corners are graded from the route’s own geometry on the rally 1–6 scale, where 1 is a hairpin. Road & Rally calls them out as you drive.
Checkpoints
6
- #01
2412 Carrot Ridge Road, Kamiah, Idaho 83536, United States
- #02
2145 Browns Crk Rd, Pierce, Idaho 83553, United States
- #03
Pierce - Superior Road, Avery, Idaho 83802, United States
- #04
3564 Diamond Road, Superior, Montana 59872, United States
- #05
83 Stage Line Drive, Superior, Montana 59872, United States
- #06
Old US Highway 10, Superior, Montana 59872, United States
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