Y 177 — NGS HT0073 — Orinda, US

USNGStrigunknown#2527
Latitude
37.885556°
Longitude
-122.200833°
Ortho h
239.68 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental horizontal control framework for the United States. Located near Orinda, California at 37.88556° N, 122.20083° W, this trig point serves as a reference for precise positioning and surveying activities across the region. Trigonometric stations of this type were historically observed through inter-visible sight lines to form networks of known positions. Such benchmarks provide essential geodetic control for mapping, engineering projects, and spatial reference systems. The point's documented coordinates make it valuable for verification of survey work, datum transformation studies, and establishment of local control networks. Surveyors and geodesists benefit from locating and confirming the continued stability of such reference monuments. Documentation and regular inspection of NGS control points support the integrity of surveying practices and help maintain consistency in spatial data across jurisdictions.

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 Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, USSatellite imagery of Y 177 — NGS HT0073 — Orinda, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

Y 177 — NGS HT0073 — Orinda, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2527 on SurveyingPedia and sits at an approximate elevation of 239.7 metres. Its coordinates in WGS84 are 37.885556°, -122.200833°, corresponding to 37° 53′ 8.00″ N, 122° 12′ 3.00″ 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 Y 177 — NGS HT0073 — Orinda, 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)37.885556, -122.200833
WGS84 (DMS)37° 53′ 8.00″ N, 122° 12′ 3.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation239.68 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
876.60 EBMUD — NGS HT0072 — Orinda, US
0.1 km away · US
US NGS · triangulation station
991.72 EBMUD — NGS HT0071 — Orinda, US
0.3 km away · US
US NGS · triangulation station
658.45 EBMUD — NGS HT0074 — Orinda, US
0.5 km away · US
US NGS · triangulation station
0+47.81 — NGS HT0154 — Orinda, US
0.6 km away · US
US NGS · triangulation station
X 177 — NGS HT0070 — Orinda, US
0.7 km away · US
US NGS · triangulation station
Z 177 — NGS HT0075 — Orinda, US
0.7 km away · US

Frequently asked questions

What is Y 177 — NGS HT0073 — Orinda, US?

Y 177 — NGS HT0073 — Orinda, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2527 and sits at an elevation of 239.7 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of Y 177 — NGS HT0073 — Orinda, US?

The position of Y 177 — NGS HT0073 — Orinda, US in WGS84 is 37.885556°, -122.200833° (decimal), or 37° 53′ 8.00″ N, 122° 12′ 3.00″ 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.