Chainça 1 Geodetic Marker

Chainça 1 Geodetic Marker is a point in the Portuguese National Geodetic Network (RGN), the reference network used for mapping, surveying and geographic measurement in Portugal.

Coordinates: 39° 39' 59.1914" N, 08° 42' 59.2812" W (39.66644206, -8.71646700). RGN identification: 1:50,000 sheet 27A, type BOLEMBREANO S/ DEPÓSITO.

Altimetry: orthometric altitude at the top 428.13 m; at the base 410.37 m; ellipsoidal altitude at the top 482.61 m.

This record is based on official RGN coordinate data and is useful for understanding the landscape, planning map work or identifying a precise geographic reference point. Local access conditions can vary, so check the terrain before visiting.

RGN source ID: rgn-27a-chainca-1