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Trail running traverse of the Sardona UNESCO World Heritage

Thursday 20.08.2026 – Saturday 22.08.2026

This trail running traverse takes you deep into the Sardona UNESCO World Heritage Site. Starting in Mühlehorn by Lake Walen, the route climbs steadily to the scenic Murg Lakes. These crystal-clear alpine lakes offer a stunning first highlight. From there, technical mountain trails lead to the iconic Spitzmeilen Hut. Day two is the most demanding, crossing several high alpine passes. We descend to Weisstannen before climbing again to the remote Sardona Hut. This stage requires endurance and mountain experience. On day three, we cross the famous Martinsloch, afterwards we descend towards Flims. The route continues through the dramatic Trutg dil Flem. We finish in Trin, where the train marks the end of this epic journey.

I am conducting this event together with trailrun-zentralschweiz

Facts

  • Category: Trail running
  • Location: Mühlehorn
  • Distance: 86.00 km
  • Elevation: 6500 meter
  • Max height: 2600
  • Participants: 4 - 8
  • Difficulty:
  • Price: 450 per person

Partner

Trailrun Zentralschweiz
Unser Verein setzt sich leidenschaftlich dafür ein, die Trailrunning Community in der Zentralschweiz und darüber hinaus zu stärken. … weil Trailrunning mehr als nur ein Sport ist
– es ist ein aufregendes Naturerlebnis
– Jeder Lauf bringt Freude und ein Gefühl der Erfüllung Das natürliche Terrain schont die Gelenke und fordert deinen Körper sanft Du spürst die Verbindung zur Natur und erlebst jedes Mal ein kleines Abenteuer Langweilig wird es nie – die abwechslungsreichen Strecken halten dich auf Trab Deine Balance verbessert sich, und auch dein mentaler Zustand profitiert Du steigerst deine Fitness in allen Aspekten und trainierst gleichzeitig deinen Geist Toleranz, Respekt und eine familiäre Atmosphäre sind die Grundpfeiler unseres Miteinanders. Wir sind ein dynamischer Verein, der immer einen Schritt voraus ist, wenn es um die neuesten Trends im Trailrunning geht. Unser engagiertes Team zeichnet sich durch Motivation, Zuverlässigkeit, Unkompliziertheit, Loyalität und Kontaktfreudigkeit aus. Gemeinsam schaffen wir eine Umgebung, in der sich jeder willkommen fühlt und die Freude am Trailrunning in inspirierenden Erlebnissen aufgeht. Lass uns zusammen die Trails erobern und die Grenzen unserer Community erweitern!
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General Information

  • Trail running backpack with a minimum capacity of 20 liters
  • Rain cover for your backpack, or waterproof bags inside your pack for spare clothing
  • Trail running shoes with good grip and a solid tread
  • Trail running poles are optional, but recommended for routes with more than 1000 meters of elevation gain
  • Multiple 0.5-liter soft flasks or a hydration bladder with a minimum capacity of 1 liter
  • Nutrition for the trail, such as gels and muesli bars
  • Identification
  • Emergency blanket
  • Basic personal first aid kit, including blister plasters and your own medication
  • Small tube of sunscreen and lip balm
  • Sunglasses and optionally a cap
    • Cash and/or EC card or credit card (debit card payments are not accepted everywhere in the Alps)
  • Fully charged headlamp, also for daytime tours
  • Small bag for waste and some toilet paper
  • Rain gear, at least for the upper body
  • In addition to short running gear, also a set of long clothing (long tights / long sleeve)
  • At least one pair of gloves, preferably two in case of multiple cold days
  • Buff / headband / optionally a thin beanie
  • Fleece jacket
  • Lightweight hardshell jacket
For the hut
  • Hut sleeping bag is essential
  • Identification (e.g. passport)
  • Insurance card
  • Optional Alpine Club membership card
  • Optional lightweight hut shoes / slippers
  • One set of clean clothes for the hut
  • Toiletries such as toothbrush and toothpaste
  • Charging cables for all your devices
  • Optional: power bank

Details

Details

Details

  • Distance: 25.46
  • Elevation: 2804
  • Max height: 2420

Day 1: Thursday, 20.08.2026 - From Mühlehorn via the Murg Lakes to the Spitzmeilen Hut

We start in Mühlehorn by Lake Walen with a long initial climb. The route passes through forests and alpine meadows to the Murg Lakes. These scenic lakes offer a beautiful first highlight and rest point. From here, the terrain becomes more technical and alpine. We finish at the dramatically located Spitzmeilen Hut.

  • : Spitzmeilenhütte
 
Details

Details

  • Distance: 32.18
  • Elevation: 2612
  • Max height: 2419

Day 2: Friday, 21.08.2026 - From the Spitzmeilen Hut via the Weisstannen Valley to the Sardona Hut

The toughest stage begins with several high alpine pass crossings. Technical trails and long descents require focus and endurance. We descend into the quiet Weisstannen valley for a short break. A long climb follows towards the remote Sardona Hut. A demanding day in wild and untouched mountain terrain.

  • : Sardonahütte
 
Details

Details

  • Distance: 28.94
  • Elevation: 1125
  • Max height: 2561

Day 3: Saturday, 22.08.2026 - From the Sardonahütte to the Martinslog and the Trutg dil Flem

We set off from the Sardonahütte and traverse towards the Martinsloch. Impressed by the geological phenomena we encounter here, we enjoy fantastic trails. After taking in the view of the Martinsloch, we descend through open mountain landscapes and valleys towards Flims. There, the Trutg dil Flem awaits us. Via bridges and past waterfalls, we follow the wild water downstream. We finish in Trin in the Rheinschlucht, where we conclude our amazing journey through the Sardona region.

  • : Trin
 

Route

Descent
Flat
Climb
Steep