Climbing "Lu" (Grade 4) in the Stubai Alps is a fantastic introduction to alpine rock. The route, while not particularly long, offers sustained and engaging climbing on solid, grippy granite. The crux, which is typically encountered early on, requires thoughtful footwork and a bit of commitment. After navigating this section, the rest of the route flows nicely, with enjoyable moves and stunning views of the surrounding Stubai glaciers and peaks. The relatively easy approach and descent make "Lu" a popular choice, but arriving early is recommended to avoid potential queues. The overall experience is rewarding, providing a taste of what the Stubai Alps have to offer aspiring alpinists. Remember to check weather conditions before heading out and pack appropriately for alpine climbing, including a helmet, harness, rope, quickdraws, and appropriate footwear.