South Dakota Top Bike Climbs

#1
Terry Peak Summit
USA, SD
#2
O'Neil Pass
USA, SD
#3
Spearfish Canyon
USA, SD
#4
Needles Highway
USA, SD
#5
Iron Mountain (Lakota Lake)
USA, SD
#6
Sylvan Lake
USA, SD
#7
Iron Mountain (Keystone)
USA, SD
#8
Pinnacles Overlook - Badlands
USA, SD
#9
Norbeck Pass
USA, SD
#10
Badlands Visitor Center (Cedar Pass)
USA, SD

Climb List: South Dakota
(sort by distance, difficulty, elevation and more)

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FULL SUMMARY

South Dakota is a wonderful state to visit and not bad for cycling either 👍.  The Top 3 hardest bike climbs in South Dakota are:

SOUTH DAKOTA #1 TERRY PEAK

Cycling Terry Peak Summit Road - the hardest bike climb in South Dakota.

Ride 6.1 miles gaining 1,539’ at 4.4% average grade (5.5% climb only).

Gravel for the last 3.2 miles - the last 9/10’s of a mile averages 8.3%.

Manageable but we recommend 30mm+ tires.

SOUTH DAKOTA #2 O’NEIL PASS

Ride 29.6 miles gaining 3,096’ at 1.9% average grade (2.4% climb only).

SOUTH DAKOTA #3 SPEARFISH CANYON

Cycling Spearfish Canyon

Ride 20.3 miles gaining 2,518’ at 2.3% average grade

The climb begins in the historic mining town of Spearfish and ascends into the magnificent Spearfish Canyon, ending just beyond Cheyenne Crossing.

Spearfish and O’neil Pass share their first 17.4 miles with each other.