Distance
223.1 mi
Duration
5h 17m
Checkpoints
24
Created
JUL 4, 2026
The road
Loess Hills National Scenic Byway Spine in Hamburg, Iowa is graded at 861 corners, about 3.9 for every mile you drive. 41 of them are genuinely tight, and the sharpest turns in at a 10 m radius. The longest straight runs 5.6 miles, so there is room to breathe between the technical sections.
- Graded corners
- 861
- Tight (1–2)
- 41
- Tightest radius
- 10 m
- Corners per mile
- 3.9
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
24
- #01
209 E Street
- #02
2675 Bluff Road
- #03
1848 Bluff Road
- #04
1332 Plum Creek Road
- #05
1127 Plum Creek Road
- #06
64013 240th Street
- #07
59524 Kidd Road
- #08
920 South Locust Street
- #09
Wabash Avenue
- #10
3600 South Expressway
- #11
427 East Kanesville Boulevard
- #12
Cr L34
- #13
31785 County Highway L34
- #14
US Route 30
- #15
2409 Iowa Highway 127
- #16
Iowa Highway 183
- #17
28003 County Highway L16
- #18
County Highway L20
- #19
Lee Avenue
- #20
George P. Soumas Memorial Highway
- #21
1971 Old Highway 141
- #22
1428 210th Street
- #23
1054 Council Oak Drive
- #24
Loess Hills National Scenic Byway Spine
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