Porches Geodetic Marker

Porches 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: 38° 16' 29.2275" N, 08° 28' 1.9248" W (38.27478542, -8.46720133). RGN identification: 1:50,000 sheet 39D, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 88.09 m; at the base 85.59 m; ellipsoidal altitude at the top 142.22 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-39d-porches