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)

PJAMM TRIPS ADVENTURE STARTER BUNDLES

Check out PJAMM Adventure's prepackaged (self-guided) cycling trips. They will help you plan, document and conquer your next adventure.
ALL TRIPS
Browse all of our prepackaged trips and find your next adventure!

MEMBER COMMENTS

Let us know your thoughts about this page. Signup for our FREE membership to post a comment or question.
Already have an account?
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.

We have researched and documented for this page the 30 hardest and most difficult bike climbs ever included in the Tour de France. 

The all-time hardest bike climbs of the Tour de France can be viewed on this page via the map (zoom in to view climbs in particular areas), by Climb Cards (photo and stats) or by a detailed list of the climbs that can be arranged in metric or imperial units by difficulty, distance (longest climbs in the area), altitude gained, highest elevation (highest summit), average grade (sort the grades by varying distances), lowest start point, etc. Click on "Climb Page" to jump to the detail page for that particular bike climb. We feel this page provides a good summary of the top, hardest and best bicycling climbs of the Tour de France.

The 10 hardest bike climbs ever to appear in the Tour de France are %TOP10 

Also visit our 2023 Tour de France Home Page for all the stages, climbs, details of the 2023 Tour de France as well as all the historical data for the Grand Tour.