Greybull River Run

Greybull River Run in Wyoming is graded at 534 corners, about 9.1 for every mile you drive. 115 of them are genuinely tight (22% of the road), and the sharpest turns in at a 9 m radius. The longest straight runs 1.0 miles, so there is room to breathe between the technical sections.

Graded corners

534

Tight (1–2)

115

Tightest radius

9 m

Corners per mile

9.1

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.