Besides the guided tour of the caves described by several people here, there is now a second route with an unguided tour which I followed. This can be done at any speed, and photography is allowed. Guides are located at strategic points along the route armed with radios to ensure that no one gets lost.

The caves on this route are much as described with sink holes, rushing streams, waterfalls and vertiginous bridges.

I reached the caves by shuttle bus from Divaca station. Trains from here go to Koper (for buses to Trieste and Porec), Sezana and Ljubljana.

There is a new inexpensive Italian style restaurant in Divaca where I had pasta while waiting for my train.