Fälensee is a serene alpine lake located near Brülisau in the Appenzell Alps, at 1,447 m above sea level. Surrounded by rugged cliffs, lush meadows, and alpine forests, the lake is known for its crystal-clear water and peaceful setting. Accessible only by hiking, it’s a rewarding destination for both day trips and longer alpine adventures.
Who it’s recommended for
Nature lovers, hikers and outdoor enthusiasts, photographers, families with older kids who enjoy mountain hikes.
Best Season to Visit
Late spring to early autumn (June–October): Trails are snow-free, mountain huts are open
Winter: Possible to visit on snowshoes or for scenic walks, but huts are closed and swimming isn’t possible
How to Get There (only accessible by hike)
By Car: Drive to Brülisau and park in the designated lots (paid, limited availability). Arrive early on weekends.
By Public Transport: Train to Weissbad, then bus 192 to Brülisau, Kastenbahn. Hiking trails start near the bus stop.
Hiking Trails
Brülisau – Sämtisersee – Fälensee: 2.5–3 hrs one way | Moderate | Scenic route via another alpine lake
Hoher Kasten – Saxer Lücke – Fälensee: ~6 hrs loop | Challenging | Stunning ridge views and the iconic Saxer Lücke viewpoint
Three-Lakes Hike (Seealpsee – Fälensee – Sämtisersee): 9–10 hrs | Demanding | Long full-day adventure linking three of Alpstein’s most famous lakes
Tips & Recommendations
Start early if doing longer hikes and dress properly (bring waterproof clothing)
Wear sturdy hiking boots; trails can be steep and rocky
Bring enough water and snacks (hut meals are available but no shops nearby)