BERTH HAVEN — NGS AI3610 — Seattle, US

USNGStrigunknown#214332
Latitude
47.686732°
Longitude
-122.253373°
Ortho h
7.90 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's classical horizontal control network, which establishes the fundamental datum framework for surveying and mapping activities across the United States. Located in the Seattle, Washington metropolitan area at coordinates 47.68673°, -122.25337°, this trig point serves as a reference for precise positioning and survey work in the region. Triangulation stations of this type historically provided essential control points for large-scale mapping projects and continue to hold value for verification of modern positioning systems. Such monuments anchor local surveys to the national geodetic network, ensuring consistency and accuracy in property boundaries, infrastructure development, and geographic information systems. Documentation and periodic verification of these reference points remain important for maintaining the integrity of the survey control network and supporting professional surveying practice.

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BERTH HAVEN — NGS AI3610 — Seattle, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #214332 on SurveyingPedia and sits at an approximate elevation of 7.9 metres. Its coordinates in WGS84 are 47.686732°, -122.253373°, corresponding to 47° 41′ 12.23″ N, 122° 15′ 12.14″ 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 BERTH HAVEN — NGS AI3610 — Seattle, 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)47.686732, -122.253373
WGS84 (DMS)47° 41′ 12.23″ N, 122° 15′ 12.14″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation7.90 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
NORIX — NGS SY1596 — Seattle, US
0.1 km away · US
US NGS · triangulation station
PMEL MAGNETIC STATION — NGS AI3609 — Seattle, US
0.1 km away · US
US NGS · triangulation station
WASC NO 4 — NGS AI3660 — Seattle, US
0.1 km away · US
US NGS · triangulation station
REFLECTION — NGS AI3613 — Seattle, US
0.1 km away · US
US NGS · triangulation station
WASC NO 3 — NGS AI3659 — Seattle, US
0.2 km away · US
US NGS · triangulation station
GPS ANTENNA BLDG 3 — NGS SY5707 — Seattle, US
0.2 km away · US

Frequently asked questions

What is BERTH HAVEN — NGS AI3610 — Seattle, US?

BERTH HAVEN — NGS AI3610 — Seattle, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214332 and sits at an elevation of 7.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of BERTH HAVEN — NGS AI3610 — Seattle, US?

The position of BERTH HAVEN — NGS AI3610 — Seattle, US in WGS84 is 47.686732°, -122.253373° (decimal), or 47° 41′ 12.23″ N, 122° 15′ 12.14″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 10N (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.