mountaineering signposts and markings on the slopes of the melchtal alpine valley and in the uri alps mountain massif, kerns

active alpine alpinism alps arrow arrows canton crossing crossroads direction distance fit fitness forest hike hiking indicate indication indicator information injury kanton kerns landscape log lose mark markings massif melchtal misfortune mountain mountaineering mountains nature obwald obwalden orientation outdoor path prevention recreation rock safety schweiz sign signage signal signpost signposting signposts slopes stone stray switzerland symbol tourism trail travel trekking uri valley warning wood woods