Distance
47.2 mi
Duration
1h 47m
Checkpoints
8
Created
AUG 28, 2026
The road
Historic Columbia River Highway + Extras in Troutdale, Oregon is graded at 455 corners, about 9.6 for every mile you drive. 99 of them are genuinely tight (22% of the road), and the sharpest turns in at a 9 m radius. The longest straight runs 1.9 miles, so there is room to breathe between the technical sections.
- Graded corners
- 455
- Tight (1–2)
- 99
- Tightest radius
- 9 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
8
- #01
Northeast Jordan Road
- #02
28640 East Historic Columbia River Highway
- #03
800 Northeast Evans Road
- #04
39144 East Knieriem Road
- #05
42900 East Historic Columbia River Highway
- #06
41905 Southeast Louden Road
- #07
8730 Southeast Bull Run Road
- #08
Historic Columbia River Highway + Extras
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