São Marcos Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 38.34021286, -7.51100553
- RGN sheet: 40D
- Marker type: CATAVENTO
- Top altitude: 226.56 m
Weather
São Marcos 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° 20' 24.7663" N, 07° 30' 39.6199" W (38.34021286, -7.51100553). RGN identification: 1:50,000 sheet 40D, type CATAVENTO.
Altimetry: orthometric altitude at the top 226.56 m; ellipsoidal altitude at the top 281.69 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-40d-sao-marcos
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