Gerissa Geodetic Marker

Gerissa 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° 01' 11.6638" N, 08° 13' 11.1614" W (39.01990661, -8.21976706). RGN identification: 1:50,000 sheet 31D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 137.49 m; at the base 135.01 m; ellipsoidal altitude at the top 191.88 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-31d-gerissa