
Parks & green · Thiseio
Hill of the Nymphs (National Observatory)
Photo: Sjaak Kempe from Groningen, The Netherlands · CC BY 2.0
A small pine-covered hill above Thiseio, between the Pnyx and Philopappos, occupied by the National Observatory of Athens founded in 1842 — the oldest research institution in modern Greece. The grounds are open on foot; the Thiseio Visitor Centre runs evening guided tours of the Geoastrophysics Museum and the historic telescopes, with English-language slots and a small charge. The 1902 Doridis dome has been closed for maintenance, with portable telescopes used instead.
Practical
- Season
- All year round
Nearby

Nightlife · Thiseio
Cine Thision
203 m

Museums · Thiseio
Herakleidon Museum
203 m

Ancient sites · Thiseio
Pnyx
219 m

Neighbourhoods · Thiseio
Thiseio
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These details come from public sources and may have changed — call ahead before you go. thisisathens.org · thisisathens.org










