Option B · alpine traverse
The Krn Lakes Refuge
Two nights up at a 1,385m mountain lodge, descending across the massif to a village inn.
Sleeping
Hotel + 2× hut + village
Dashed line = the hiking route. Car shuttles only on Day 2 (Bovec → Kobarid → shuttle to Lepena).
Mon 18
Drive in. Vienna → Bovec, hotel night to ease in.
Tue 19
Drop the car, walk up. Drive Bovec → Kobarid (40 min), park at the Kobarid hotel for the rest of the week. Pre-booked shuttle Kobarid → Lepena (~€35, 50 min). Hike up to the Krn Lakes Lodge (4h, +750m). First mountain night.
Wed 20
Plateau day. Lake Krn, traverse to Gomišček Shelter (2,182m) on the south ridge. Back to the lodge.
Thu 21
Down to Kobarid. South via Kuhinja pasture → Drežnica → short local bus or 15-min taxi to Kobarid. Hotel waiting, car waiting, dinner at Hiša Franko.
Fri 22
Home. Drive Kobarid → Vienna. No backtracking.
Needs the Krn Lakes Lodge to actually be open (Slovenian PD huts often open late May, sometimes early June). I'll phone them to confirm before we book.