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Intro

A popular route up the Castor starts at the Klein Matterhorn. The climbs is not as challenging compared with other mountain giants, but is by no means any less beautiful.

Castor (4,223m a.s.l.) at a glance

The snow-capped twin peaks Castor and Pollux, which are reminiscent of Greek mythology, can be found in the Valais Alps. Castor, the larger of the two, was first climbed in 1861. Today, it is considered one of the less challenging four-thousanders. But the wonderful views of the nearby Liskamm are very beautiful indeed. A popular route up leads climbers from the Klein Matterhorn, across the Grande Ghiacciaio di Verra and the western side. Shortly before reaching the peak, the mountaineers need to cross a crevasse that slopes sharply downwards.

Further information and the SAC’s suggested routes 

Climbing four-thousander summits requires good physical health, meticulous preparation and technical skills in mountain sports. We recommend booking a mountain guide. Switzerland Tourism accepts no liability in this case.

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Castor (4,223m a.s.l.)
Zermatt
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    valid: 18.10.2026 - 22.05.2027

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  • Zermatt Culinary hike “Horugüet” in Zermatt

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    valid: 18.09.2027

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  • Zermatt Guided group ascent of the Breithorn from Zermatt

    Climb a four-thousander in the Valais Alps with a guide and experience the view of 37 other... from CHF 225
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    valid: 18.10.2026 - 16.10.2027

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    Private one-way transfer in a clean, comfortable, air-conditioned vehicle with a sightseeing... from CHF 919
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    valid: 17.10.2026 - 15.11.2026

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  • Zermatt Trail Running Zermatt private

    Gather your first experiences in trail running or improve your technique with a professional guide... from CHF 305
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    valid: 18.10.2026 - 30.11.2026

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  • Zermatt Indoor climbing in the evening in Zermatt

    For three evenings a week, you have the chance to try sport climbing and really challenge your arms... from CHF 260
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    valid: 18.10.2026 - 16.10.2027

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  • Zermatt Gorner Gorge Adventure Via Ferrata Zermatt

    Climb (K2) through the Gornerschlucht! You'll experience a real adrenaline rush all year round:... from CHF 155
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    valid: 18.10.2026 - 16.10.2027

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  • Zermatt Glacier Hike Zermatt Lower Theodul Glacier

    Experience a spectacular glacier hike at 2,850 meters above sea level, surrounded by Alpine peaks,... from CHF 230
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    valid: 18.10.2026 - 31.10.2026

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  • Zermatt Lost valley guided mountain tour Zermatt

    Experience absolute tranquility and a magnificent view of the Matterhorn on a guided hike to and... from CHF 535
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    valid: 18.10.2026 - 01.11.2026

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Travel information: Zermatt