← Driving roads in IdahoStart Building →
Distance
7.3 mi
Duration
17m
Checkpoints
3
Created
JUL 9, 2026
The road
Old Spiral Highway in Lewiston, Idaho is graded at 59 corners, about 8.1 for every mile you drive. 13 of them are genuinely tight (22% of the road), and the sharpest turns in at a 16 m radius.
- Graded corners
- 59
- Tight (1–2)
- 13
- Tightest radius
- 16 m
- Corners per mile
- 8.1
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
3
- #01
Old Spiral Highway, Lewiston, Idaho 83501, United States
- #02
Old Spiral Highway, Lewiston, Idaho 83501, United States
- #03
22750 Old Spiral Highway, Genesee, Idaho 83832, United States
Checkpoints · Members only
Sign in for every stop's address and notes, plus turn-by-turn navigation through the whole route in the app.
Sign in — freeMore roads in Idaho
All 11 in Idaho →
Inspired?
Build & share your own route
Draw on a real map, drop checkpoints, add photos, and share a public link in minutes. Free, no app install.
Community
0
comments