Edelweißlahnerkopf is a 4.65-mile out-and-back from Neue Traunsteiner Hütte to the 1,953 m summit. Follow marked Weg 474 southeast to a saddle, turn left for the final climb, then return the same way. The mapped uphill corridor is 2.33 miles; the listed distance counts the walk back. The summit rises about 390 m above the hut.
The hut’s route page lists 2½ hours but does not say whether that includes the return. Allow about 4–5 hours for the full walk with time at the top. The direct route is graded easy by the hut, but it is still a remote, high-alpine outing.