Saltsjöbaden Observatory

Saltsjöbaden Observatory is an astronomical complex near Stockholm built on elevated terrain with two large telescope domes and supporting structures. The main facility sits roughly 50 meters above sea level, taking advantage of its hilltop location for clearer views of the night sky.

The facility was established in 1931 following a major donation and replaced an earlier Stockholm location that had become unsuitable due to urban growth. Relocating to this more rural setting allowed for better astronomical observations away from city lights and noise.

The facility was established through patronage and served Swedish astronomy as a research hub for decades. Today visitors can see how amateur astronomy groups maintain and use the historic telescopes on the grounds.

The grounds are open to visitors on weekends, offering access to explore the property and view the historic buildings and telescopes. It is advisable to check opening hours in advance and wear proper footwear, as the site sits on a hill.

The site houses a 40-inch reflector telescope and a 24/20-inch double refractor telescope, both significant instruments from the 1930s that remain functional today. These rare telescopes were manufactured by the renowned Grubb company and represent advanced optical technology from that era.

Location: Nacka Municipality

Location: Saltsjöbaden

Location: Stockholm County

Inception: 1931

Architects: Axel Anderberg

Official opening: 1929

Elevation above the sea: 50 m

GPS coordinates: 59.27194,18.30417

Latest update: December 13, 2025 11:43