Climbing "FF Wirts" at Ulmenfels (grade 4) offers a delightful experience for climbers seeking a moderately challenging route. The rock, typically solid limestone, provides good friction and holds. The route follows a fairly obvious line, with well-placed bolts that offer adequate protection. While not overly strenuous, the sustained nature of the climb requires some stamina. Expect some enjoyable face climbing and perhaps a few small overhangs that add a touch of spice. Overall, "FF Wirts" is a classic Ulmenfels route and a great choice for intermediate climbers looking to hone their skills and enjoy the scenery.