Grenzeckkopf, Mountain summit in Galtür, Austria

Grenzeckkopf is a 3,048-metre summit in the Fluchthorn group of the eastern Silvretta, on the main ridge that forms the border between Galtür in Tyrol and Scuol in Grisons. The ridge bends almost at a right angle at the peak, sending two distinct spurs north and west. A boundary stone and a summit cross stand on top.

The peak saw its first recorded ascent in 1849 when surveyors climbed it to gather topographical data for map-making projects. This early expedition was part of systematic efforts to chart the Alpine border regions.

The peak is called Grenzeckkopf on the Austrian side and Piz Faschalba in the Swiss region, reflecting how language changes across the border that runs through this mountain.

The route from Galtür demands solid endurance and mountain experience due to challenging terrain and significant elevation changes throughout the approach. Summer offers the best conditions for the ascent, when snow and ice are minimal and pathways remain accessible.

The summit holds a boundary stone marking the border between Tyrol and Grisons, next to the summit cross. The ridge turns almost at a right angle here, which gave the mountain its German name. The Romansh name Piz Faschalba means "white face", after a white band running through the south wall.