São Martinho Geodetic Marker

Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.54114453, -8.41359197
  • RGN sheet: 16D
  • Marker type: BOLEMBREANO
  • Top altitude: 85 m
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Weather

Sun
33° 18°
Rain 33%
Mon
35° 19°
Rain 5%
Tue
32° 19°
Rain 0%
Wed
27° 20°
Rain 5%
Thu
24° 17°
Rain 5%

São Martinho 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° 32' 28.1203" N, 08° 24' 48.9311" W (40.54114453, -8.41359197). RGN identification: 1:50,000 sheet 16D, type BOLEMBREANO.

Altimetry: orthometric altitude at the top 85 m; at the base 80.49 m; ellipsoidal altitude at the top 140.13 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-16d-sao-martinho

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