Climbing "Pavoučí spára" (Spider's Crack) in Sivý vrch is a classic experience, offering a beautiful 5- (UIAA) or 5- (French) grade climb. The route follows a prominent crack feature, demanding good technique and crack climbing skills. The rock on Sivý vrch is generally solid limestone, but always be mindful of loose holds, especially within the crack itself. The exposure can be significant, adding to the adventure. It's a popular route, so expect potential queues, especially during peak season. The views from the climb are stunning, showcasing the beauty of the Slovakian Western Tatras. Overall, "Pavoučí spára" provides a challenging but rewarding climb for intermediate climbers seeking a taste of alpine-style adventure.