At St Gallen Altenrhein in Altenrhein: for takeoff, sit on the Right side; for landing, sit on the Right side. Notable views include: Lake Constance (Bodensee) to the south and below, the Appenzell Alps rising beyond the lake's southern shore, the Rhine valley extending northeast, and the town of Altenrhein directly below during initial climb.

When taking off from St Gallen Altenrhein (ACH), sit on the Right side for the best views. Right-side seats offer the best views during departure from ACH. The airport sits on the northern shore of Lake Constance (Bodensee), and aircraft typically depart northward or northeastward. From the right side, you'll see the lake's expanse immediately below and to your right as you climb, plus the Alpine foothills rising to the south across the water. Notable sights include: Lake Constance (Bodensee) to the south and below, the Appenzell Alps rising beyond the lake's southern shore, the Rhine valley extending northeast, and the town of Altenrhein directly below during initial climb.

When landing at St Gallen Altenrhein (ACH), sit on the Right side for the best views. Approaching ACH from the north or northeast (typical for this airport's runway orientation), the right side offers views of Lake Constance (Bodensee) and the Alpine foothills. You'll see the lake's eastern basin and the Swiss-Austrian border region with clear mountain profiles. Notable sights include: Lake Constance (Bodensee), Säntis massif to the south, Appenzell Alps, Arbon town on the lake's western shore.

The best window seat at St Gallen Altenrhein (ACH) depends on several factors: the typical runway used for your departure or arrival, the geographic features around Altenrhein (mountains, coastlines, city skylines), weather conditions, and time of day. Morning and evening flights often offer the best lighting for scenic views.