KAWAILOA — NGS TU1515 — Honolulu County, US

This trigonometric station is part of the National Geodetic Survey's network of control points that establish the geometric framework for mapping and surveying across the United States. Located in Honolulu County, Hawaii, at coordinates 21.59954° N, 158.06083° W, this trig point serves as a fixed reference for horizontal positioning in the region. Trig stations such as this are fundamental to geodetic infrastructure, providing precise locations from which surveyors conduct detailed mapping and cadastral work. The point's inclusion in the NGS registry ensures accessibility to surveying professionals requiring accurate positional data for projects throughout the Hawaiian Islands. Verification and documentation of benchmark locations maintain the integrity of the national control network. Surveyors should confirm current conditions and accessibility of this station before field operations, as physical stability and visibility remain critical to its utility in modern surveying practice.

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