Mauna Kea on the Big Island of Hawaii is considered to be one of the hardest bicycle climbs in the world. It climbs 13,803 feet over 42 miles from sea level.
How steep is this climb?
Mauna Kea on the Big Island of Hawaii is considered to be one of the hardest bicycle climbs in the world. It climbs 13,803 feet over 42 miles from sea level.
How steep is this climb?