State Hwy 1806

 TwoWheeledExplorer on April 25, 2014
Gravel Segment
From US-18, Bonesteel to State Hwy 1806, Burke, Gregory County, South Dakota
Named for Lewis and Clark's return route in 1806, this gravel road is paved at either end, and makes a steep decent through some wild bluff country to the SD Whetstone Bay campground, then climbs back out. Marked route ends at pavement, but you can continue on Hwy. 1806 all the way to SD Hwy. 44.
Distance
Elevation
28.36 miles
1,368 ft minimum
2,031 ft maximum
1,719 ft gain
1,680 ft loss
100% gravel
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