Lanchais Geodetic Marker

Lanchais 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: 40° 42' 49.0448" N, 06° 57' 13.5227" W (40.71362356, -6.95375631). RGN identification: 1:50,000 sheet 18B, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 728.59 m; at the base 726.58 m; ellipsoidal altitude at the top 784.43 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-18b-lanchais