Pod školou

Pod školou is a small but geologically remarkable nature reserve in Prague's Hlubočepy district, tucked into a former quarry just north of the Buštěhrad railway line. Despite its name (literally "below the school"), the real draw here has nothing to do with education — it's a rock face that records several hundred million years of Earth's history.

How did this site come to be?

The area was shaped by historical quarrying. Miners extracted grey limestones of the Chotečské formation along with shales from the Dalejsko-Třebotovské deposit. Once quarrying stopped, the exposed rock wall remained as a clear, continuous geological cross-section — valuable enough that the site was declared a protected natural monument in 1988. The protected zone covers 2.46 hectares, with an additional 50-metre buffer required by law around its edges.

What's actually visible in the rock?

The site's core value lies in its exposed rock profile through Lower and Middle Devonian limestones, considered one of the classic geological localities of the Barrandian area. Here you can trace layered limestone beds interspersed with shale, laid down hundreds of millions of years ago on the floor of a shallow Devonian sea that once covered this part of Bohemia. For geologists, the sequence offers a rare, readable record of how sedimentary conditions shifted over vast stretches of time.

Fossils from a vanished sea

Quarrying at Pod školou unearthed large quantities of fossils, including the shells of molluscs and cephalopods along with trilobite remains — marine organisms that once lived in the Devonian sea. Thanks to these finds, the site is counted among the well-known paleontological localities of the Barrandian region, an area scientists have studied for decades to reconstruct the history of Paleozoic marine life in Central Europe.

Nature beyond the rock

Although the reserve exists primarily to protect its geology, the exposed, sun-facing slopes have also allowed a distinctive plant community to take hold. Brambles along with shrub and grass vegetation typical of dry, limestone-rich slopes now cover parts of the site. Among the fauna, sand lizards can be spotted here, and the common European adder has occasionally been recorded as well — a pattern seen in several other rocky reserves around Prague.

Where exactly is it?

The natural monument sits in Hlubočepy, east of the Zdravotní středisko public transport stop, in an area long known for its role in Prague's geological history. It lies close to other protected sites in this part of the city, making the neighbourhood a worthwhile stop for anyone interested in geology or in Prague's lesser-known natural corners.

Frequently asked questions

Is Pod školou a large site? No — the protected area covers just 2.46 hectares, making it one of Prague's smaller nature reserves, though its scientific significance far exceeds its size.

Why is this site protected? Because of its exposed rock profile through Lower and Middle Devonian limestones and its abundant fossils of marine organisms, which together make it one of the classic geological localities of the Barrandian area.

Can visitors collect fossils there today? No — the site now has protected status, so fossil collecting is not permitted. The well-known finds date back to the period when the quarry was still active.

How do you get there? The easiest approach is on foot from the Zdravotní středisko stop in Hlubočepy, from which the reserve lies a short distance to the east.