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Castor 1-day guided ascent near Zermatt in the Pennine Alps

Come with certified guide Herbert on this Castor (4,223 m) 1-day guided ascent near Zermatt and ascend one of the classic mountains in the Pennine Alps!

Mountain RangeAlps
Duration1 day
Offer periodJul, Aug, Sep
Skill LevelIntermediate
Fitness LevelFit
Type of tripPrivate


  • Marvel at the breathtaking views of the Pennine Alps.

  • Conquer one of the most classic peaks of the Monte Rosa massif.

  • Improve your mountaineering skills with the help of an expert mountain guide.


Come with me on this Castor 4,223 m (13,855 ft) 1-day guided ascent near Zermatt and enjoy a classic mountaineering adventure in the Alps!

Castor and Pollux are known as the twin 4,000-meter summits of the Monte Rosa massif in the Pennine Alps,. This peculiar mountain formation lies on the border between Valais, Switzerland and the Aosta Valley in Italy. On this 1-day guided ascent, I invite you to reach the top of Castor which is higher than Pollux and has become one of the favorite destinations for climbers around the world.

We will start our ascent from the Klein  (Little Matterhorn) at a 3,883 meter altitude. From there we’ll follow the path up to Castor mountain summit where we’ll enjoy a fantastic scenery.

Please keep in mind that in order to participate in this program you will need to have some prior mountaineering experience as well as a good fitness level.

Suitable for intermediate and adventurous climbers,  if you are ready to take on this 1-day Castor guided ascent near Zermatt, request to book this trip and get ready for an experience you’ll never forget!

If you are looking to climb both of “the twins “, you may also join me on this 2-day ascent to Castor and Pollux near Zermatt


More info

Compulsory Equipment Rucksack 30 litre – Mountaineering boots* – Climbing seat harness* – Crampons with front points, steel, adjusted* – Ice axe* – Head torch, with spare battery (not for LED)* – Touring trousers / salopettes – Waterproof / breathable jacket with hood – Fleece jacket or jumper – Gloves – Thermal underwear – Shirt – Socks – Warm hat – Sun hat – Sunglasses with side protection – Sun screen factor >25 – Lip balm factor >15 – Flask or water bottle, about 1 Litre, no camel bag – Picnic for every touring day – Personal medication – Euros and Swiss francs – Id or passport. Nice to have Helmet* – Mitts – Alpine club member card – Telescope pol* – Compeed, second skin, sport tape – Foam ear plugs – sleeping pills (not strong ones) – Spare socks – Spare shirt – Spare underwear – Pocket knife – Camera (small and light) – Tooth brush and paste – Toilet paper – Insurance card – Credit card – Sleeping bag liner (cotton or silk) – Reduction card for tickets. Items with a * can be rented.


About the guide

guide profile img

I am a nature lover who made his hobbies and passion into his profession. I possess only internationa