Climbing 'Úderník' (4+) in the 'Průchod' area is a rewarding experience. This route offers a good introduction to multi-pitch climbing in the Bohemian Switzerland National Park. The rock quality is generally solid, although some sections can be a bit polished due to its popularity. The route finding is relatively straightforward, following the obvious line and the occasional chalk marks. Expect enjoyable face climbing with some slightly overhanging sections that require good footwork and efficient movement. Proper placement of cams and quickdraws is essential for a safe and enjoyable ascent. The views from the top are stunning, offering panoramic vistas of the surrounding sandstone towers and forests. Overall, 'Úderník' in 'Průchod' is a classic and well-traveled route, perfect for climbers looking to hone their skills and enjoy the beauty of Bohemian Switzerland.