Grosuplje, Dolenjska's karst half an hour from Ljubljana

What Grosuplje is, a karst town

Grosuplje has 7,866 people and heads a municipality of 22,276 covering 133.8 km², on the north-western edge of Dolenjska, along the road from Ljubljana to Novo mesto. Its valley belongs to the karst world, with more than 200 caves and shafts, and over 40 archaeological sites have been found in the municipality. The tourist office is in the centre, at Adamičeva cesta 15.

What to see, Županova jama and Cerovo

Seven kilometres south, by Velike Lipljene, lies Županova jama, discovered in 1926 by the mayor Josip Perme, with seven chambers of stalactites. Close by, above Cerovo, stands the tabor, one of the few fortifications against the Ottomans still preserved in Slovenia. At the end of the 15th century farmers walled in the Romanesque church of St Nicholas, from the 13th century, with three towers and arrow slits on two levels. Inside are early 16th-century frescoes from the workshop of Tomaž of Senj.

Radensko polje and the Frog House

In the south-east of the municipality, Radensko polje is a karst field of about 4 km², the smallest of the country’s nine most prominent ones, protected as a landscape park. Three rivers cross it, the Šica, the Zelenka and the Dobravka, which disappear into caves and sinkholes and reappear at the springs of the Krka. There are two circular routes of about two hours, from Boštanj and from Velika Račna, though after rain the paths can flood.

At Mala Račna, on an island by the Šica spring, is the Frog House, Slovenia’s first nature conservation centre, in an old mill renovated in 2021. Admission is €5, and from May to October it opens Tuesday to Friday from 10am to 4pm.

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Kopanj and Magdalenska gora

Kopanj hill rises 70 m above the field like an island, and in spring and autumn, when the floods come, it almost becomes one. A spring on its northern side never runs dry. France Prešeren spent part of his childhood in its parsonage. To the north, Magdalenska gora, at 505 m, was settled from the Early Iron Age and keeps 28 burial mounds that yielded bronze situlae and weapons.

Getting there from Ljubljana

The Ljubljana bus station planner showed 23 buses to Grosuplje on Monday 19 October 2026, taking about 25 minutes, and seven on Saturday 24, and the town has a railway station. For other sights nearby, see the Ig pile dwellings and the guide to central Slovenia.

If you are staying the night, see the best hotel deals in Grosuplje for your dates: the well-placed rooms go fast.