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Turkey River Run
Turkey River Run is 34.9 miles of loop riding through Winneshiek and Fayette Counties in Iowa — Driftless Iowa, the Upper Iowa, the Yellow River country and the climbs out of the Mississippi. Moving time is about 46 minutes; allow 65 with stops — a half morning. It is scored CS-2, Easy: 40 corners, 107° of turning per mile, 1,098 feet of climbing. The roads it uses, in the order you ride them, are in the app.
- Curviness
- CS-2Easy · 1.15/mi
- Distance
- 34.9 mi46 min riding
- Corners
- 4048% sharp · Tight
- Climbing
- 1,098 ft32 ft/mi · Gentle
- Shape
- LoopHalf morning
- Roads
- Backroads95% county & local
- Traffic
- —no published counts
- Speed limit
- 55 mphtypically 55
How it rides
40 corners over 34.9 miles — 1.15 a mile, and 107° of turning for every mile ridden. That scores CS-2, Easy on the five-point curviness scale. 48% of those corners are sharp ones, and the road reads as tight.
What it climbs
The road climbs 1,098 feet in total, 32 feet per mile, between 1,010 and 1,286 feet — 276 feet of relief. The longest single climb is 111 feet over 2.0 miles, and the steepest grade on it is 6.4%. By Driftless standards that is gentle.
Surface, speed and traffic
96.2% paved — the rest is gravel or seal coat, so check the surface before you commit. 95% of it is back road rather than highway, the other 5% state or US route. Posted speeds run to 55 mph, typically 55, measured across 28% of the route. No published traffic counts cover this route, so it carries no traffic figure rather than a borrowed one.
- Backroads
- Loop
Worth knowing
- Fuel sparse — top off before you go
Turn-by-turn directions and the spoken notes along the way are in the app. Every figure on this page is measured from the route itself — corner counts and gradients from the road geometry, elevation from the national elevation dataset, traffic from the state transport departments where counts exist.