REIN — NGS DK3685 — King County, US

USNGStrigunknown#213871
Latitude
47.350000°
Longitude
-121.888889°
Ortho h
286.41 m
Verifications
0
Last checked
Never
This NGS trigonometric station is located in King County, Washington, at coordinates 47.35000°N, 121.88889°W. As part of the National Geodetic Survey's horizontal control network, this trig point serves as a foundational reference for surveying, mapping, and engineering projects throughout the region. Trigonometric stations of this type were established to provide precise horizontal positioning data and to support the accurate determination of geographic positions across the United States. The point's location in western Washington places it within an area of significant surveying activity. Verification and documentation of such benchmarks remain valuable for surveyors and engineers who rely on established geodetic control for construction, land surveys, and infrastructure development. Maintaining records of these reference points ensures continuity of the nation's geodetic framework and supports professional surveying practices that depend on historically established survey networks.

Verify this point

Sign in to submit a verification from the field.

Verification history (0)

No verifications yet. Be the first to check this point!
🛰️ Satellite view
ESRI World Imagery · zoom 16 (~1 m/px)
Open in Google Earth →
Satellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, USSatellite imagery of REIN — NGS DK3685 — King County, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

REIN — NGS DK3685 — King County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #213871 on SurveyingPedia and sits at an approximate elevation of 286.4 metres. Its coordinates in WGS84 are 47.350000°, -121.888889°, corresponding to 47° 21′ 0.00″ N, 121° 53′ 20.00″ 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 REIN — NGS DK3685 — King County, 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)47.350000, -121.888889
WGS84 (DMS)47° 21′ 0.00″ N, 121° 53′ 20.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation286.41 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
N 462 — NGS SX0749 — King County, US
0.3 km away · US
US NGS · triangulation station
B 67 — NGS SX0747 — King County, US
1.3 km away · US
US NGS · triangulation station
FR 26 — NGS SX1363 — King County, US
1.4 km away · US
US NGS · triangulation station
P 462 — NGS SX0750 — King County, US
1.4 km away · US
US NGS · triangulation station
FR 30 — NGS SX1359 — King County, US
1.4 km away · US
US NGS · triangulation station
M 462 — NGS SX0748 — King County, US
1.4 km away · US

Frequently asked questions

What is REIN — NGS DK3685 — King County, US?

REIN — NGS DK3685 — King County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #213871 and sits at an elevation of 286.4 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of REIN — NGS DK3685 — King County, US?

The position of REIN — NGS DK3685 — King County, US in WGS84 is 47.350000°, -121.888889° (decimal), or 47° 21′ 0.00″ N, 121° 53′ 20.00″ 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.