Silva Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 40.69579558, -7.38456311
- RGN sheet: 17B
- Marker type: BOLEMBREANO
- Top altitude: 660.9 m
Silva 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° 41' 44.8641" N, 07° 23' 4.4272" W (40.69579558, -7.38456311). RGN identification: 1:50,000 sheet 17B, type BOLEMBREANO.
Altimetry: orthometric altitude at the top 660.9 m; at the base 658.4 m; ellipsoidal altitude at the top 717.03 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-17b-silva
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