EPF 26 — NGS RD4344 — Portland, US

USNGStrigunknown#5533
Latitude
45.570469°
Longitude
-122.550951°
Ortho h
13.10 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of horizontal control points established to support mapping, surveying, and infrastructure projects across the United States. Located near Portland, Oregon at coordinates 45.57047° N, 122.55095° W, this trig point serves as a reference for establishing accurate positions of other survey monuments and geographic features in the surrounding region. Triangulation stations like this one form the backbone of the national geodetic framework, enabling surveyors and engineers to conduct precise work for land division, construction, and cartographic purposes. The point's position within the broader NGS network allows for consistency across multiple surveys and jurisdictions. Documentation and periodic verification of such benchmarks remains important for maintaining the integrity of the geodetic datum and ensuring reliable positional data for contemporary surveying applications.

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EPF 26 — NGS RD4344 — Portland, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #5533 on SurveyingPedia and sits at an approximate elevation of 13.1 metres. Its coordinates in WGS84 are 45.570469°, -122.550951°, corresponding to 45° 34′ 13.69″ N, 122° 33′ 3.42″ 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 EPF 26 — NGS RD4344 — Portland, 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)45.570469, -122.550951
WGS84 (DMS)45° 34′ 13.69″ N, 122° 33′ 3.42″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation13.10 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
MAYS — NGS RD2879 — Portland, US
0.7 km away · US
US NGS · triangulation station
PEAR — NGS RD2880 — Portland, US
1.1 km away · US
US NGS · triangulation station
PUMP — NGS RD2870 — Portland, US
1.2 km away · US
US NGS · triangulation station
2154 — NGS RD1592 — Portland, US
1.4 km away · US
US NGS · triangulation station
DIKE — NGS RD2912 — Portland, US
1.5 km away · US
US NGS · triangulation station
HOOD BAR LIGHT — NGS RD2876 — Multnomah County, US
1.8 km away · US

Frequently asked questions

What is EPF 26 — NGS RD4344 — Portland, US?

EPF 26 — NGS RD4344 — Portland, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #5533 and sits at an elevation of 13.1 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of EPF 26 — NGS RD4344 — Portland, US?

The position of EPF 26 — NGS RD4344 — Portland, US in WGS84 is 45.570469°, -122.550951° (decimal), or 45° 34′ 13.69″ N, 122° 33′ 3.42″ 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.