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CTH C Spring Green

CTH C Spring Green is 17.8 miles of loop riding through Sauk County in Wisconsin — The Dells Region, the baraboo hills, the lower wisconsin river and the ridge roads between reedsburg and spring green. Moving time is about 22 minutes; allow 30 with stops — a quick spin. It is scored CS-4, Twisty: 29 corners, 176° of turning per mile, 963 feet of climbing. The roads it uses, in the order you ride them, are in the app.

Curviness
CS-4Twisty · 1.63/mi
Distance
17.8 mi22 min riding
Corners
2946% sharp · Tight
Climbing
963 ft54 ft/mi · Relentless
Shape
LoopQuick spin
Roads
85% back road15% state or US route
Traffic
Not countedno state counts on these roads
Speed limit
55 mphtypically 55
Open this route in the app

About this road

County C explores the steeper country near Spring Green with technical, twisty sections that produce high curviness and climbing in a compact route. Road geometry is the star; the cultural landscape of Frank Lloyd Wright, Taliesin, and the river town is the bonus. Riding hard and then rewarding the effort with a stop in Spring Green joins the physical and cultural experiences of the place. The demand is concentrated and purposeful; the scenery is continuous. Ideal for riders who want geometric intensity first and cultural interpretation second, and who can combine the two in a single coherent outing. It pairs naturally with the gentler highway loop for a full day that samples both the technical upland and the cultural core of Spring Green. Climb the hills, earn the town. Both are worth the effort.

How it rides

29 corners over 17.8 miles — 1.63 a mile, and 176° of turning for every mile ridden. That scores CS-4, Twisty on the five-point curviness scale. 46% of those corners are sharp ones, and the road reads as tight.

What it climbs

The road climbs 963 feet in total, 54 feet per mile, between 718 and 1,059 feet — 342 feet of relief. The longest single climb is 216 feet over 0.7 miles, and the steepest grade on it is 10.5%. For this country that is relentless.

Surface, speed and traffic

Paved end to end. 85% of it is back road rather than highway, the other 15% state or US route. Posted speeds run to 55 mph, typically 55, measured across 37% of the route. State traffic counts cover only 2% of these miles, too little to put a number on, which is itself a fair sign of how quiet they are.

Where to stop

1 of the towns on this road has somewhere to stop — 1 fuel, 4 food, 2 bars.

Longest stretch without fuel: 10.4 miles. Worth knowing before you set off if your tank is small.

Listed alphabetically, and chosen by us rather than rated by anybody. The order you reach them, and the mile each one sits at, are in the app.

Turn-by-turn directions and the spoken guidance 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 NASA SRTM, traffic from the state transport department where counts exist.

Nearby roads