Mauna Loa
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Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaii in the Pacific Ocean. Mauna Loa is Earth's largest active volcano by both mass and volume. It was historic
Mauna Loa as seen from the air. Hualālai is visible in the background.
Landsat mosaic; recent lava flows appear in black
Mauna Loa from Hilo Bay, December 2017
Mauna Loa's summit, overlaid with 100 m (328 ft) contour lines; its rift zones are visible from the air.
ʻĀinapō Trail
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The ʻĀinapō Trail was the primary route to the summit of Mauna Loa from prehistory to 1916. The trail began on the southeast flank at 2000 feet of elevation and reached Mokuaweoweo, the summit crater,
