We have documented Hawaii's 10 hardest bike climbs many times. Each of the Top 10 pages have a wealth of information, photos and statistics for each climb. Hawaii boasts (a) the hardest bike climb in the world - Mauna Kea, (b) the longest bike climb in the world - Mauna Loa and (c) 4 of the top 11 bike climbs in the US - Mauna Kea #1, Haleakala #2, Waipoli Road #7, Mauna Loa #8 and Kaloko Road #11.
The 10 hardest road bike climbs Hawaii 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. This page provides an excellent and comprehensive summary of the 10 hardest bicycling climbs in Hawaii.
The hardest, most difficult and challenging cycling climbs in Hawaii are, in order of difficulty, 1. Mauna Kea, 2. Haleakala, 3. Waipoli Rd, 4. Mauna Loa, 5. Kaloko Dr, 6. Stainback Road, 7. Baldwin - Olinda Roads, 8. Waimea Canyon - Kokee Road, 9. Mauna Loa Lookout Road, and 10. Waipio Road.
Our preloaded PJAMM Adventure App trip pages for Maui and the Big Island are accessed by clicking the purple PJAMM Trips button above.