Steepest Gradient (%)
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Cycling Dry Creek-Trinity Roads
Ride 2.7 miles gaining 1,088’ at 7.6% average grade.
Another challenging Napa road bike climb is Dry Creek Road/Trinity Road East (Dry Creek becomes Trinity Road a little over halfway up the climb). This ascent is almost a match for Trinity Road West (west 2.9 v. east 2.7 miles and 8.8% west v. 7.6% east). There is more shade on the east side and, apparently because it is in Napa County, the road is a bit smoother.
Start the climb at the bridge - there’s no questions that’s the start . . .
2 big hairpins at mile 1.6
Note that Dry Creek / Trinity East does not summit at the same location as Trinity West as the road connects the two endpoints along a relatively flat .6 mile ridge line.
Traffic/Roadway surface: This is a narrow 2 lane road that is very hazardous to descend. On this descent, riders encounter rough road, gravel, unexpectedly sharp and technical turns on steep grades. There have been many serious cycling accidents and some rider deaths on this road over the years.
TOUR OF CALIFORNIA - TRINITY ROAD
Trinity Grade has been featured twice in the Tour of California: