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Intro

Though there are many mountain lakes at higher altitudes, Lake Sils is the only one with daily scheduled passenger boats in summer that carry tourists and hikers from Sils Maria to Maloja via Chastè, Plaun da Lej and Isola. This is Europe's highest passenger boat service.

Lake Sils at a glance

The “Lej da Segl” is located next to the watershed of the Maloja pass, the crossing to the Bregaglia Valley. It is the largest lake in the canton of Graubünden and forms part of the Upper Engadine lake district. During the summer months, a small boat operates a scheduled service. The “Segl-Maria” ploughs across the lake from Sils Maria to Maloja on the south-western lakeshore and back again in 40 minutes, four times a day. During this scenic cruise, it stops at the Chastè peninsula, Plaun da Lej and Isola.

An idyllic hiking and cycling route runs around the lake. The Upper Engadine lake tour is one of the classic Upper Engadine hikes: starting from St. Moritz, the walk passes by the lakes of St. Moritz, Champfèr, Silvaplana and Sils before ending in Maloja. The route can also be travelled by bicycle, inline skates or motorcycle.

The famous German philosopher Nietzsche spent considerable time by Lake Sils. As you pass by the Chastè peninsula, you may catch a glimpse of the bench beneath the larches where Friedrich Nietzsche would often sit and daydream during his summers in Sils.
Boat service only from the end of June to September/October. See timetable.

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Overview
Lake Sils
Engadin
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Experiences & Activities

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  • Scuol Klang der Quellen - Rätselspiel für Kinder

    Care by Martina Zini from Sent, student at the Graubünden Teacher Training CollegeMidday snackPuzzle... from CHF 20
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    valid: 17.07.2026 - 16.10.2026

    Learn more about Klang der Quellen - Rätselspiel für Kinder
  • Scuol Family Rafting

    Rafting tour with guideEquipmentTransport from CHF 82
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    valid: 01.07.2026 - 20.09.2026

    Learn more about Family Rafting
  • Samnaun Guided hike Friday

    Local hiking guide Martin Valsecchi shows guests the most beautiful spots in the Samnaun Valley.... from CHF 20
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    valid: 03.07.2026 - 09.10.2026

    Learn more about Guided hike Friday
  • Sils i.E. Summer cuisine

    Take a break from everyday life and indulge in culinary delights at Waldhaus. Enjoy a Dine-Around in... from CHF 1,126
    Offer details


    valid: 29.06.2026 - 16.07.2026

    Learn more about Summer cuisine
  • Samnaun Carving and stone carving

    Helmut Tschiderer gives the participants an insight into his work and shows his skills in carving... from CHF 20
    Offer details


    valid: 14.07.2026 - 22.09.2026

    Learn more about Carving and stone carving
  • Scuol Spielnachmittag für Kinder

    Care by Martina Zini from Sent, student at the Pädagogical University of GraubündenLunch and snacks from CHF 28
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    valid: 15.07.2026 - 29.07.2026

    Learn more about Spielnachmittag für Kinder
  • Samnaun Explore the Samnaun Valley on the e-bike

    Effortlessly reach the most beautiful places in the Samnaun Valley on an e-bike. The local bike... from CHF 20
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    valid: 02.07.2026 - 10.09.2026

    Learn more about Explore the Samnaun Valley on the e-bike
  • Scuol Youth camp horse riding

    5 nights in a multi-bed roomFull boardVersatile riding/weekly programTheory lessonsEvening... from CHF 850
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    valid: 27.09.2026 - 11.10.2026

    Learn more about Youth camp horse riding

Travel information: Engadin