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United States' Top 10 Longest Climbs

#1
Mauna Loa
USA, HI
#2
Trail Ridge
USA, CO
#3
Mauna Kea
USA, HI
#4
Hwy 33 to Pine Mountain Summit
USA, CA
#5
Haleakala
USA, HI
#6
Hwy 31 East
USA, UT
#7
Aufderheide Scenic Byway South
USA, OR
#8
Onyx Summit
USA, CA
#9
Hwy 143 East
USA, UT
#10
Bear Lake Summit West
USA, UT