Jungfraujoch Sphinx Observatory
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Why go
- Views toward the Aletsch glacier, described as Europe’s longest.
Opening hours
Today07:53 – 15:17Show all
Don't miss
- Mountain panoramaPick out the Jungfrau, Mönch and Eiger from the public viewing deck.Beside the observatory
- Clear-day outlookOn clear days, the viewing platform looks toward France, Germany and Italy.Public viewing platformClear days
- Sphinx architectureLook for the two-storey masonry building, its local stone and attached astronomy dome.From the public viewing area
Know before you go
- The public observation deck is open to visitors; the research and weather station cannot be toured.
- Daily, 07:53–15:17.
Tips for your visit
- For the farthest views, aim for clear conditions.
- Priority boarding can be booked through the Jungfrau website.
Interesting facts4
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The building stands in Valais, a few metres from the Bern cantonal border.
Sphinx Observatory - Wikipedia -
Its astronomical cupola houses a 76 cm telescope with Cassegrain and Coudé focus.
Sphinx Observatory - Wikipedia -
Long-term research includes solar spectroscopy and a LIDAR experiment.
Sphinx Observatory - Wikipedia -
Researchers from around the world can use the station.
Sphinx-Observatorium - Wikipedia
Shorts
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Jungfraujoch Sphinx Observatory, SwitzerlandJames Woodland
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Jungfraujoch - the Top of Europe, Switzerland, Live Cam, Jungfraujoch…Steps&Tales
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Enjoy the snow! 🥰 JungfrauSofie Hofmann
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Jungfraujoch Sphinx Observatory, Jungfrau SwitzerlandThe Journey Junction
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JungfraujochSofie Hofmann
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🇨🇭Jungfraujoch Sphinx Observatory, Switzerlandgenesis
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Spectacular Drone Footage of Jungfraujoch & Sphinx Observatory 🇨🇭 | F…soothesphere
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Switzerland Jungfraujoch sphinx observatoryEnzo
History
The original station buildings were designed by the Pfister brothers’ architectural firm.
- Railway concessionAdolf Guyer-Zeller pledged to build a research station when he received the railway construction concession.
- 1920sResearchers used rooms excavated in ice and rock as natural laboratories for studying ice.
- 1931The station began operating on 4 July for 13 researchers.
- 1937The observatory was completed.
- Cosmic-ray discoveryPlates exposed at the station provided the first precise evidence for the charged K-meson.
Show all
- 1950An astronomy dome was installed and later adapted to scientific needs.
- 1993–1996Construction added a fast lift, a glazed viewing hall and terraces around the building.
How to get there
- Cable carTake the Eiger Express, then the Jungfrau Railway to Jungfraujoch railway station.
- TrainFrom the railway station, a lift carved through the mountain connects to the observatory.
Accessibility
- Lift A 108 m lift provides access to the building.
Sources: Sphinx Observatory - Wikipedia · Jungfraujoch – Top of Europe | jungfrau.ch · Buy Jungfraujoch Tickets | Top of Europe | jung… · Good Morning Ticket Jungfraujoch - Top of Europ… · Karte der Region | jungfrau.ch · À la carte Restaurant Crystal | jungfrau.ch · Sphinx-Observatorium - Wikipedia · Observatoire du Sphinx - Wikipedia · Osservatorio astronomico Sphinx - Wikipedia · checked 28 Sep 2026
- Phone
- +41 33 828 72 33
Questions and answers
What scientific facilities are at Jungfraujoch Sphinx Observatory?
Two laboratories, a weather station, a workshop and two experiment terraces.
What subjects are studied at Jungfraujoch Sphinx Observatory?
Research includes glaciology, physics, astronomy and medicine, with particular study of cosmic rays and neutrinos.
When is Jungfraujoch Sphinx Observatory open?
Daily, 07:53–15:17.
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