Hawaii Hiking Trails Hawaii County    Byron Ledge Trail --- 3.9 hiking miles, 444 feet elevation difference    Crater Rim Trail --- 10.6 hiking miles, 474 feet elevation difference    Devastation Trail --- 0.5 hiking miles, 56 feet elevation difference    Halape Trail ---  14.2 hiking miles, 2922 feet elevation difference    Halemaumau Trail --- 3 hiking miles, 469 feet elevation difference    Hilina Pali Trail ---  10.6 hiking miles, 1823 feet elevation difference    Kaaha Trail ---  17.6 hiking miles, 2271 feet elevation difference    Kau Desert Trail --- 17.7 hiking miles, 2266 feet elevation difference    Keauhou Trail ---  13.8 hiking miles, 2698 feet elevation difference    Maunaiki Trail ---  3.8 hiking miles, 145 feet elevation difference    Napau Crater Trail ---  11.4 hiking miles, 663 feet elevation difference    Naulu Trail ---  4.2 hiking miles, 632 feet elevation difference    Puna Ka Trail ---  20.8 hiking miles, 607 feet elevation difference    Waimanu Trail ---  12.4 hiking miles, 1374 feet elevation difference    Kiholo-Puako Trail --- 0.9 hiking miles, 76 feet elevation difference    Puako-Waimea Trail ---  3.6 hiking miles, 164 feet elevation difference    Huehue Hualalai Trail --- 4.9 hiking miles, 3579 feet elevation difference    Kawaihae-Puu Hue Trail ---  4.4 hiking miles, 385 feet elevation difference    Maulua Trail --- 1 hiking miles, 89 feet elevation difference    Kalapana Trail ---  16.8 hiking miles, 2831 feet elevation difference    Waipunalei Trail --- 4.8 hiking miles, 3314 feet elevation difference    Mauna Kea Umikoa Trail --- 7 hiking miles, 3631 feet elevation difference    Ainap Trail ---  27.4 hiking miles, 8267 feet elevation difference    Hilo Trail --- 4.8 hiking miles, 1191 feet elevation difference    Mauna Loa Trail ---  26.8 hiking miles, 6527 feet elevation difference    Puu Oo Volcano Trail ---  5 hiking miles, 108 feet elevation difference    Sulphur Banks Trail --- 0.5 hiking miles, 58 feet elevation difference Honolulu County    Castle Trail ---  7.6 hiking miles, 2794 feet elevation difference    Kawailoa Trail ---  8.8 hiking miles, 1408 feet elevation difference    Sacred Falls Trail ---  3 hiking miles, 539 feet elevation difference    Summit Trail --- 19.4 hiking miles, 1611 feet elevation difference    Honouliuli Contour Trail --- 11.5 hiking miles, 1237 feet elevation difference    Dupont Trail ---  13.4 hiking miles, 4021 feet elevation difference    Kelia Trail ---  9.4 hiking miles, 1705 feet elevation difference    Mokuleia Trail ---  10 hiking miles, 2225 feet elevation difference    Peacock Flat Trail ---  13.4 hiking miles, 2341 feet elevation difference    Halawa Trail ---  10 hiking miles, 1786 feet elevation difference Kauai County    Alakai Swamp Trail ---  6.4 hiking miles, 440 feet elevation difference    Kalalau Trail ---  6.8 hiking miles, 664 feet elevation difference    Mhihi Waialae Trail ---  27 hiking miles, 1885 feet elevation difference    Nualolo Trail ---  7 hiking miles, 1809 feet elevation difference Maui County    Halemauu Trail ---  16.6 hiking miles, 1692 feet elevation difference    Kaupo Trail ---  11.2 hiking miles, 6387 feet elevation difference    Sliding Sands Trail ---  11.2 hiking miles, 2639 feet elevation difference    Lower Trail ---  7.4 hiking miles, 1405 feet elevation difference