Joio Geodetic Marker

Joio 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° 23' 36.9089" N, 08° 23' 16.0708" W (37.39358581, -8.38779744). RGN identification: 1:50,000 sheet 49B, order 3, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 229.15 m; at the base 226.65 m; ellipsoidal altitude at the top 283.45 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-49b-joio