On November 19, 1946, an American military Dakota plane crash-landed blind on Gauligletscher. In driving snow, at over three thousand meters. Twelve people survived — and Swiss pilots extracted them one at a time from the glacier in small Fieseler Storch aircraft. Modern aerial rescue was born that day — and just a few years later it grew into what became Rega. And directly above that glacier, at Gaulihütte, this round closes after seven days.
Berner Oberland Wochenrundtour is not a ridge walk for everyone. It is a high-altitude glacier round through the Bernese Alps: 78 km, 5,500 m of elevation gain, seven days, seven Swiss Alpine Club (SAC) huts — start and finish at the same place, at historic Grimsel Hospice. Difficulty: expert. That is not marketing language. You will cross three glaciers — Unteraargletscher, Finsteraargletscher, and Strahleggfirn — and without crampons, ice axe, and rope, do not climb.
Grimsel Hospice, where it all begins, is a monument. Remembered as the land's first shelter as early as 1142, it later became Europe's very first electrically heated hotel. Today it wedges between two dam walls — and from here runs one of the Bernese Oberland's longest hut-to-hut paths straight into the glacier heart of the range, to the source of the Aare.
Day one: the moraine path over Unteraargletscher lifts you to Aarbiwak (2,731 m) — a remote bivac in a glacier bowl below Finsteraarhorn's eastern wall. A winter storm swept away the original bivac in 1974/75; the current one stands since 1977 and sleeps barely seventeen people. Day two: cross Finsteraargletscher to Finsteraarhornhütte (3,048 m), rebuilt in 2003, directly below the Bernese Oberland's highest mountain. Finsteraarhorn measures 4,274 m — it is the third-most prominent peak in the entire Alps and will hang over your head for two full days.
Day three is the round's ceiling: a glacier-pass traverse to Oberaarjochhütte (3,258 m), the round's highest point. Then it descends — but not to civilization. Day four: glacier descent to Lauteraarhütte (2,393 m), which crowns a rocky island above Unteraargletscher. Its core, Pavillon Dollfuss, dates from the 1840s and SAC bought it in 1882; from the terrace you gaze across dusty glaciers straight into Finsteraarhorn's eastern wall.
Day five waits at Gelmerhütte (2,412 m) above turquoise Gelmersee. Those who will not last past five days have a lifeline: down to the valley runs Gelmerbahn, Europe's steepest open cable car at 106 % gradient. Day six: shift to Bächlitalhütte (2,328 m) in wild Bächlital full of waterfalls. And day seven finale — the remote Gaulihütte (2,205 m) above Gauligletscher, where the glacier still occasionally yields another scrap of that famous Dakota. Then back to Grimsel.
For whom? For experienced high-altitude mountaineers who walk on glacier in rope teams, belay on crampons, and do not panic when a crevasse opens beneath your feet. Not for beginners, not for families with children. If you are reading this and do not know how to probe crevasses, start elsewhere.
When to go? Glacier season in the Bernese Oberland runs roughly mid-July to mid-September, when SAC huts have staff and glaciers are in best condition. Outside that window you risk snow on the glacier, concrete-hard firn, and closed huts.
How to reserve? All seven huts are SAC facilities — book beds in advance via SAC's reservation system for the section that manages each hut. Do not delay for peak season; capacity is small and Aarbiwak sleeps barely seventeen.
Seven huts, three glaciers, one round. You leave from Grimsel and you return to Grimsel — just thousands of meters higher, a view into Finsteraarhorn's eastern wall, and one glacier story richer.
Pick a start date — for every night on the route you instantly see the free beds and book directly through the official Alpenverein system.
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