POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US

USNGStrigunknown#214619
Latitude
58.411437°
Longitude
-134.955048°
Ortho h
24.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the primary geodetic framework for the United States. Trig stations serve as control points for precise positioning and support surveying, mapping, and engineering projects across multiple scales. Located in Southeast Alaska's Unorganized Borough at approximately 58.41°N, 134.95°W, this benchmark contributes to regional geodetic control in an area where such reference points are essential infrastructure for cadastral surveys, resource management, and cartographic accuracy. The point's elevation was not recorded in available documentation. Verification and documentation of existing benchmarks remain critical for maintaining geodetic infrastructure integrity. Surveyors and engineers depend on these control points for accurate positioning, making periodic confirmation of their status and accessibility valuable for the geodetic community and future surveying operations in the region.

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POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #214619 on SurveyingPedia and sits at an approximate elevation of 24.0 metres. Its coordinates in WGS84 are 58.411437°, -134.955048°, corresponding to 58° 24′ 41.17″ N, 134° 57′ 18.17″ W in the traditional degrees-minutes-seconds format. This page is a self-updating reference — all data is aggregated from public open sources and cross-checked periodically against the originating agency.

Professional surveyors, engineers, and topographers use points like POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US to anchor total-station traverses, verify GNSS/RTK solutions, calibrate levelling instruments, and validate survey deliverables against known coordinates. The record on this page is refreshed daily via automated pipelines that monitor the public sources for any updates, corrections, or status changes.

Coordinate formats

WGS84 (decimal)58.411437, -134.955048
WGS84 (DMS)58° 24′ 41.17″ N, 134° 57′ 18.17″ W
UTM zone (approx.)Zone 8N (approx.)
Elevation24.00 m
Precise conversionOpen in coordinate converter →

Geodetic context in United States

The national geodetic reference in United States is maintained by National Geodetic Survey (NGS). The active datum is NAD83(2011) / NATRF2022 (active). Coordinates shown on this page are expressed in WGS84 (ETRF/ITRF-compatible) which is directly usable in most modern GNSS receivers. For cadastral work in United States you may need to convert to the local datum using the Coordinate Hub.

Browse the full list of indexed control points in United States from the country page.

Nearby benchmarks

The closest 6 indexed control points within roughly 50 km of this location:

US NGS · triangulation station
POINT RETREAT LIGHTHOUSE — NGS UV1578 — Unorganized Borough, US
0.0 km away · US
GeoNames topographic database · cape
Point Retreat
0.2 km away · US
US NGS · triangulation station
BOATHOUSE NORTH GABLE — NGS UV1566 — Unorganized Borough, US
0.2 km away · US
US NGS · triangulation station
CON 2 — NGS UV1564 — Unorganized Borough, US
0.8 km away · US
US NGS · triangulation station
NICK — NGS UV1571 — Juneau, US
4.4 km away · US
US NGS · triangulation station
TRAP 1917 — NGS UV1576 — Juneau, US
4.4 km away · US

Frequently asked questions

What is POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US?

POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214619 and sits at an elevation of 24.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US?

The position of POINT RETREAT LIGHTHOUSE — NGS AI3750 — Unorganized Borough, US in WGS84 is 58.411437°, -134.955048° (decimal), or 58° 24′ 41.17″ N, 134° 57′ 18.17″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 8N (approx.).

How can I reach and visit this triangulation station?

Use the satellite imagery above to see the surrounding area. You can open this location directly in Google Maps, Google Earth, Bing Maps, or OpenStreetMap using the buttons provided. Many geodetic points are accessible to the public; some are on protected or private land — check local regulations before any field visit. Always bring documentation or your credentials if you plan to use the marker for professional measurement.

Is this point verified and usable for professional surveying?

This record has been community-verified 0 times. Data quality depends on the source: NGS and official national agency points are typically centimetre-accurate, OpenStreetMap survey points are metre-accurate, and GeoNames topographic landmarks (peaks, hills) are reference-grade only. Always cross-reference with the original agency datasheet before using this point for cadastral, legal, or safety-critical work.

Original source: this record was imported from ngs_public. Always refer to the original datasheet for the most up-to-date and authoritative data.