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Tottering precariously above the Jungfraujoch railway in Switzerland sits the Sphinx Observatory, a scientific observatory and research facility. Called the Sphinx Observatory after the rocky summit on which it is located, this high-altitude observatory is one of the world's highest observatories at 3,571 m above mean sea level. Read on to know why this site is a must-see while at Jungfraujoch. It also boasts the second-highest observation deck in Switzerland, which is open to the public.

Sphinx Observatory quick facts

  • Official name: Sphinx Observatory
  • Address: Jungfraujoch, 3801 Lauterbrunnen, Switzerland
  • Year of opening: 1937
  • Timings: Railway timings i.e. after 8 AM and before 6 PM

Why visit the Sphinx Observatory?

  • One of the world's highest observatories: Seated so high up, it's no surprise that Sphinx Obervatory is one of the world's highest observatories, fitted with a telescope that aids research and discovery.
  • Extensive views: While the observatory itself isn't accessible, the public viewing deck is situated next to the observatory. On one side, the Mittelland stretches out and provides views of the Black Forest and the Vosges, and on the other, the Aletsch Glacier with its 4000 m peaks around it comes into view.
  • Science and research: Besides offering breathtaking views, the observatory is the site of astronomical, geological and glaciological research (however, the laboratories cannot be accessed by the public). Over the years, the laboratory has its own electricity, internet and water connections.
  • The name is Bond, James Bond: The 1969 James Bond Movie Her Majesty's Secret Service was shot against the backdrop of this observatory. Even Bollywood movies like The Hero: Love Story of a Spy featured this iconic landmark.

Know before you go to the Sphinx Observatory

Jungfraujoch Sphinx Observatory

The Sphinx Observatory is open during railway opening hours i.e. after 8 AM and until 6 PM. However, the exact operating hours may vary depending on the season. It is generally open 365 days a year, although tours may be suspended if the Jungfraujoch railway does not function due to extreme weather conditions, especially during winter.

Best time to visit: Jungfraujoch is constantly bustling with tourists but the best time to visit is between the months of May to October. Visiting the Sphinx Observatory during the earliest part of the morning and afternoon is ideal for a relaxed visit.

Detailed Jungfraujoch opening hours
Jungfraujoch Sphinx Observatory

Address: Jungfraujoch, 3801 Lauterbrunnen, Switzerland

​Find on map

From Jungfraujoch station, an elevator will transport you to Sphinx Hall. The 108-meter ride to the observation deck only takes 25 seconds.

Getting to Jungfraujoch: Take the coghweel train ride from the Eiger Glacier or Kleine Scheidegg stations.

Getting there

The Sphinx observation deck is accessible to wheelchair users.

Frequently asked questions about the Sphinx Observatory

The Sphinx Observatory is a high-altitude astronomical observatory in Switzerland, located above the Jungfraujoch railway station.

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