Correcting details on Grieshorn

Do we show Grieshorn in the right place?
–> Click to reveal the map <–

OLD DATA CORRECTED DATA
(fill only the boxes that need correction,
leave all others empty)
Grieshorn
Lat: 46.452 Lat:
Lon: 8.393 Lon:
Alps
Lepontine Alps
Switzerland
2969 m m
GMT + 1.0h GMT + h (use "-" for negative timezones, as in the US)