The Grenzchopf (2,193 m) is a mountain of the Appenzell Alps, overlooking the Schwägalp Pass on the border between the Swiss cantons of Appenzell Ausserrhoden and St. Gallen.

Located 2 kilometres west of the Säntis, the Grenzchopf is one of the highest summits of the canton of Appenzell Ausserrhoden. It is also its southernmost point.

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