Olhalva Geodetic Marker

Olhalva 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: 37° 53' 55.1937" N, 08° 24' 36.6654" W (37.89866492, -8.41018483). RGN identification: 1:50,000 sheet 42D, type BOLEMBREANO S/ MOINHO.

Altimetry: orthometric altitude at the top 87.74 m; at the base 80.89 m; ellipsoidal altitude at the top 141.94 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-42d-olhalva