Castanheiro Geodetic Marker

Castanheiro 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° 55' 43.2877" N, 08° 44' 11.2494" W (37.92869103, -8.73645817). RGN identification: 1:50,000 sheet 42C, order 4, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 105.77 m; at the base 102.98 m; ellipsoidal altitude at the top 159.5 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-42c-castanheiro