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1992 Map of Ahumoa

Name: 1992 Topographic Map of Ahumoa
Creator: U.S. Geological Survey
Published: 2001
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2001

About this map

Pohakuloa Training Area (Military Reservation) dominates the southern landscape of this 1992 survey, where military infrastructure meets the high-elevation slopes of Mauna Kea. This region serves as a critical junction of government and conservation land, bordered by the Mauna Kea Forest Reserve and the Ka'ohe Game Management Area. The map reveals a complex network of 4WD tracks and specialized routes such as Lightning Saddle Road and Malahini Road, which provide access to the volcanic terrain and remote facilities like the Airfield and various water tanks.

The northeastern portion of the quadrangle highlights a more primal landscape, featuring numerous volcanic cones such as Ahumoa and Pu'u Manalo. Hydrology in this arid, high-altitude environment is marked by specific water sources like Waihu Spring and Hopukani Springs, as well as deep incisions in the land like Kamakao Gulch. The intersection of modern management and geology is further evidenced by the Mauna Kea Ice Age Natural Area Reserve and a historic Rock Wall.