Exciting Swiss Family Koepf Hike to 2300 m Ulrich Koepf 7 years ago This Blog's content Toggle The Bristen (3073m) is a mountain in the Canton of Uri, Central Switzerland. Ulrich and Nazarine Koepf Alexander, Madison & Jaiden Koepf The Bristen (3073m) is a mountain in the Canton of Uri, Central Switzerland. SaveSave