Solvay Hut — Swiss Alpine Club, Matterhorn
Swiss Alpine Club (SAC) · architect Alphonse de Kalbermatten · timber emergency shelter, built 1915, consecrated 1917 · 4,003 m on the Hörnli ridge of the Matterhorn, Zermatt, Switzerland
Photo: Orion666 / Wikimedia Commons (CC BY-SA 3.0), taken 19 August 2005, as published on Street Art Utopia (Buildings in Impossible Places (8 Photos), 28 October 2026).
The Solvay Hut is the Swiss Alpine Club’s emergency shelter at 4,003 metres on the Hörnli ridge, the Matterhorn’s most-climbed route. Belgian chemist Ernest Solvay gave 20,000 francs for it in 1904. Builders hauled the timber up by mule and winch in the summer of 1915, but snow and bad weather delayed the consecration until 8 August 1917, and Solvay himself, kept away by the war, never saw it. Source Source Source Checked
Seen Jul 2022. Evidence date: 16 July 2022, the camera date of a photo by Roy Egloff (Wikimedia Commons) that shows the Matterhorn with the hut marked on the Hörnli ridge, seen from far away at Trockener Steg. The newest close-up photo we could date is from 28 September 2015. The SAC route portal still lists the shelter as open all year. Source Source Source Checked
💡 4 things to know
- A winch for the last stretchThe SAC says mules carried the timber from Zermatt to the Hörnli Hut, and a winch then pulled a small cart up the last 645 metres in six stages, at most 250 kg per load. The Local, writing in 2017, said seven stages and 800 metres. Source Source Conflicting
- Emergencies onlyZermatt agreed to the hut in 1912 only on the condition that climbers use it as a refuge in emergencies. The SAC route portal still says it must not be used except for real emergencies, such as a sudden change in the weather on the descent. Source Source Source Checked
- Most guests are not in troubleThe SAC wrote in 2017 that 400 to 600 climbers sleep there each year, but only 30 to 40 of them because of a real emergency, according to Air Zermatt. Source Source Checked
- The donor never saw itErnest Solvay could not attend the 1917 consecration: war made travel out of occupied Belgium impossible. The SAC named the hut after him anyway. Source Reported
📍 Where it is
On the Hörnli ridge (Hörnligrat), the north-east ridge of the Matterhorn, at 4,003 m, above the Hörnli Hut and Zermatt, Valais, Switzerland. It can only be reached by climbing. Source Source Source Checked
Map pin from the coordinates on English Wikipedia (45.978750, 7.662917). The button opens a plain map of that point.
🗓️ Sightings
- 191531 Aug
SAC: the hut stood, after two months’ work
- 19178 Aug
SAC: officially consecrated
- 1922Jul
Photographed by Santiago Perdigó
- 200519 Aug
Photographed by Orion666
- 201528 Sep
Photographed by Whgler on the ridge
- 20178 Aug
The Local: centenary in Zermatt
- 202216 Jul
Photographed from afar by Roy Egloff
Green stamps mark dated photographs; amber stamps mark records or reports; red stamps mark loss. Publication dates are not camera dates.
🗞️ In the sources
Happy Birthday Solvay-Biwak
„Erst am 8.8.1917 konnte die offizielle Weihe vorgenommen werden. Der Mäzen Ernest Solvay konnte an der schlichten Feier nicht teilnehmen.”
“Only on 8.8.1917 could the official consecration take place. The patron Ernest Solvay could not attend the simple ceremony.”
Zermatt celebrates 100 years of Switzerland’s highest mountain cabin
“Now, up to 600 climbers spend the night there every year, says SAC, however only around 40 of those do so because they are in an emergency situation.”
Geschichte 100 Jahre Solvayhütte
„… eine einfache, 20 m2 kleine Notunterkunft, in der maximal vier Personen Platz finden.”
“… a simple emergency shelter of just 20 m², with room for at most four people.”
✅ The facts
- Donor
- Ernest Solvay, Belgian chemist and industrialist: 20,000 francs, given in 1904 Source Source Source Checked
- Capacity
- 15 people when built in 1915 (SAC); 10 beds (Wikipedia); at most four people (30°, 2017) Source Source Source Conflicting
- Hoist
- Six winch stages over the last 645 m (SAC); seven stages over 800 m (The Local) Source Source Conflicting
- Later work
- Rebuilt in 1966 and an emergency telephone added in 1976, per Wikipedia, which cites only a 2017 PAN.am photo feature for this Source Unconfirmed
🔗 Related
All sources & image credits
- sac-cas.ch — Solvaybiwak SAC, SAC route portal: 4003 m, emergency use only
- sac-cas.ch — Happy Birthday Solvay-Biwak, 8 August 2017: history, builders, winch, consecration
- thelocal.ch — Zermatt celebrates 100 years of Switzerland’s highest mountain cabin, 8 August 2017
- 30degres.swiss — Geschichte 100 Jahre Solvayhütte, Laurent Grabet, 14 September 2017
- en.wikipedia.org — Solvay Hut (coordinates; 1966 rebuild and 1976 telephone, cited only to a PAN.am photo feature)
- commons.wikimedia.org — Santiago Perdigó, climber at the hut door, July 1922 (public domain; Memòria Digital de Catalunya)
- commons.wikimedia.org — Orion666, Solvayhütte (4000 m), 19 August 2005 (CC BY-SA 3.0): our photo
- commons.wikimedia.org — Whgler, Solvayhütte am Hörnligrat, 28 September 2015 (CC BY-SA 3.0)
- commons.wikimedia.org — Roy Egloff, Trockener Steg and the Matterhorn with the Solvay Hut, 16 July 2022 (CC BY-SA 4.0)
- streetartutopia.com — Buildings in Impossible Places (8 Photos), 28 October 2026
Photo: Orion666 / Wikimedia Commons (CC BY-SA 3.0), taken 19 August 2005, as published on Street Art Utopia (Buildings in Impossible Places (8 Photos), 28 October 2026).
Last checked: 28 October 2026 · How we verify art