GRAND CLARA — NGS HT2905 — Alameda, US

USNGStrigunknown#2843
Latitude
37.771581°
Longitude
-122.255980°
Ortho h
10.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's extensive network of control points that form the foundation of the United States' horizontal datum and mapping infrastructure. Trig stations serve as primary control points for establishing accurate horizontal positions through classical surveying methods. Located in the Alameda, California region at coordinates 37.77158°N, 122.25598°W, this benchmark contributes to the geometric framework supporting cadastral surveys, engineering projects, and cartographic efforts throughout the Bay Area. As part of the NGS network, this point represents decades of accumulated geodetic work. Verification and proper documentation of such stations remain essential for surveyors and engineers who depend on these reference points for precision work. Maintaining the integrity and accessibility of these marks ensures continuity of California's spatial reference system.

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GRAND CLARA — NGS HT2905 — Alameda, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2843 on SurveyingPedia and sits at an approximate elevation of 10.0 metres. Its coordinates in WGS84 are 37.771581°, -122.255980°, corresponding to 37° 46′ 17.69″ N, 122° 15′ 21.53″ 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 GRAND CLARA — NGS HT2905 — Alameda, 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)37.771581, -122.255980
WGS84 (DMS)37° 46′ 17.69″ N, 122° 15′ 21.53″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation10.00 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:

US NGS · triangulation station
SANTA CLARA — NGS HT2977 — Alameda, US
0.3 km away · US
US NGS · triangulation station
CLARA LA FAY — NGS HT2892 — Alameda, US
0.3 km away · US
US NGS · triangulation station
GRAND VISTA — NGS HT2903 — Alameda, US
0.4 km away · US
US NGS · triangulation station
GRAND ENC — NGS HT0863 — Alameda, US
0.4 km away · US
US NGS · triangulation station
LA FAY PAC — NGS HT2891 — Alameda, US
0.4 km away · US
US NGS · triangulation station
LA FAY ENC — NGS HT2902 — Alameda, US
0.5 km away · US

Frequently asked questions

What is GRAND CLARA — NGS HT2905 — Alameda, US?

GRAND CLARA — NGS HT2905 — Alameda, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2843 and sits at an elevation of 10.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GRAND CLARA — NGS HT2905 — Alameda, US?

The position of GRAND CLARA — NGS HT2905 — Alameda, US in WGS84 is 37.771581°, -122.255980° (decimal), or 37° 46′ 17.69″ N, 122° 15′ 21.53″ 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.