Castelo 1 Geodetic Marker

Castelo 1 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° 43' 13.3722" N, 09° 17' 3.6432" W (38.72038117, -9.28434533). RGN identification: 1:50,000 sheet 34C, order 2, type PILAR TRONCO-CÓNICO.

Altimetry: orthometric altitude at the top 129.34 m; at the base 125.45 m; ellipsoidal altitude at the top 182.88 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-34c-castelo-1