By car: There is a parking about 1200m far from the castle. You can get there from town of Kašperské Hory towards to village of Nezdice.
On foot: There is also several tourist tours from Kašperské Hory, where you can take a nice walk from town to the castle.
Rail/Bus: You can use a rail too. There is a Railway station in Sušice and then you can take a bus from Sušice to Kašperské Hory.