A 178 — NGS HT0153 — Orinda, US

USNGStrigunknown#2291
Latitude
37.889167°
Longitude
-122.194444°
Ortho h
122.37 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which constitutes the foundational geodetic infrastructure for the United States. Trig stations serve as primary control points for establishing horizontal positions and elevations across the country, essential for mapping, surveying, and infrastructure projects. Located near Orinda, California, at coordinates 37.88917°N, 122.19444°W, this benchmark provides positional reference for regional survey work in the Bay Area. Trig stations of this type were established to create a network of known, recoverable points that surveyors and engineers can reference for local projects. Verification and documentation of existing benchmarks remain valuable for the surveying profession, ensuring continuity of control networks and supporting the accuracy of contemporary surveys. Field professionals benefit from confirmation of point recovery and positional integrity.

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 A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, USSatellite imagery of A 178 — NGS HT0153 — Orinda, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

A 178 — NGS HT0153 — Orinda, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2291 on SurveyingPedia and sits at an approximate elevation of 122.4 metres. Its coordinates in WGS84 are 37.889167°, -122.194444°, corresponding to 37° 53′ 21.00″ N, 122° 11′ 40.00″ 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 A 178 — NGS HT0153 — 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)37.889167, -122.194444
WGS84 (DMS)37° 53′ 21.00″ N, 122° 11′ 40.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation122.37 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
0+47.81 — NGS HT0154 — Orinda, US
0.3 km away · US
US NGS · triangulation station
Z 177 — NGS HT0075 — Orinda, US
0.4 km away · US
US NGS · triangulation station
658.45 EBMUD — NGS HT0074 — Orinda, US
0.4 km away · US
US NGS · triangulation station
P 178 — NGS HT0076 — Orinda, US
0.5 km away · US
US NGS · triangulation station
E 178 — NGS HT0155 — Orinda, US
0.6 km away · US
US NGS · triangulation station
X 929 — NGS HT0077 — Orinda, US
0.6 km away · US

Frequently asked questions

What is A 178 — NGS HT0153 — Orinda, US?

A 178 — NGS HT0153 — Orinda, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2291 and sits at an elevation of 122.4 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of A 178 — NGS HT0153 — Orinda, US?

The position of A 178 — NGS HT0153 — Orinda, US in WGS84 is 37.889167°, -122.194444° (decimal), or 37° 53′ 21.00″ N, 122° 11′ 40.00″ 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.