WATERFALL — NGS SX1465 — King County, US

USNGStrigunknown#214040
Latitude
47.526627°
Longitude
-121.844404°
Ortho h
172.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which establishes and maintains the fundamental control framework for geodetic surveying across the United States. Located in King County, Washington at coordinates 47.52663°N, 121.84440°W, this trig point serves as a reference station for horizontal position control in regional surveys and mapping projects. Triangulation stations of this type were historically observed and computed as part of precise geodetic networks to provide accurate positional control. Such monuments remain valuable for verification of modern positioning methods, land surveying work, and maintenance of spatial reference systems. The documented location of this benchmark contributes to the continuity and reliability of the NGS control network, enabling surveyors and engineers to reference their work to established geodetic standards.

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WATERFALL — NGS SX1465 — 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 #214040 on SurveyingPedia and sits at an approximate elevation of 172.0 metres. Its coordinates in WGS84 are 47.526627°, -121.844404°, corresponding to 47° 31′ 35.86″ N, 121° 50′ 39.86″ 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 WATERFALL — NGS SX1465 — 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)47.526627, -121.844404
WGS84 (DMS)47° 31′ 35.86″ N, 121° 50′ 39.86″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation172.00 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:

GeoNames topographic database · observation_pt
Snoqualmie Falls Observation Deck
1.9 km away · US
US NGS · triangulation station
NEWTON — NGS SX1473 — Snoqualmie, US
2.0 km away · US
US NGS · triangulation station
ALICE — NGS SX1471 — Snoqualmie, US
2.6 km away · US
US NGS · triangulation station
N 67 — NGS SX0843 — King County, US
2.7 km away · US
US NGS · triangulation station
HATCHERY RESET — NGS SX1462 — King County, US
2.8 km away · US
US NGS · triangulation station
MILL — NGS SX1468 — King County, US
2.8 km away · US

Frequently asked questions

What is WATERFALL — NGS SX1465 — King County, US?

WATERFALL — NGS SX1465 — King County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214040 and sits at an elevation of 172.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of WATERFALL — NGS SX1465 — King County, US?

The position of WATERFALL — NGS SX1465 — King County, US in WGS84 is 47.526627°, -121.844404° (decimal), or 47° 31′ 35.86″ N, 121° 50′ 39.86″ 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.