UKC

TRIP REPORT: Expedition Riso Patron Sur

In February/March 2018, Matteo Della Bordella (ITA) and Silvan Schüpbach (SUI) climbed the Riso Patron Sur in Chile, establishing King Kong (900m, M7+, 90°). They sent in the following report.


From February 9th to March 3rd 2018, we spent a total of 22 days in Chile's O'Higgins National Park to climb the remote Riso Patron. This mysterious mountain on the western border of the southern ice field has seen few climbers: the central summit (approx.2550m) was reached twice (1988 Ferrari & co., 2015 French expedition). The south summit (approx.2350m) was yet unclimbed.

Riso Patron from Base Camp., 214 kb
Riso Patron from Base Camp.
© Silvan Schüpbach

Riso Patron is hard to reach and exposed to the Patagonian weather. The style of our expedition was "by fair means" – we decided to reach the base camp in Fiordo Falcon by kayak which involved 100km from the Puerto Eden - the closest settlement. Once arrived in Puerto Eden, we spent a day visiting the offices of the authorities; getting permission from the Armada, Police and National Park turned out to be complicated and we lacked a lawyer in our team. We finally started on 10th February and could finish the approach by kayak in three days - thanks to good conditions.

The Tyrolean approach., 221 kb
The Tyrolean approach.
© Silvan Schüpbach

Once we reached the place of our base camp (known also as "Fonrouge bay"), we immediately noticed something was different than expected: instead of the usual forest, full of green plants and birds, what we had in front was a brown and grey field with broken trees, dead fish and pieces of ice. Our only explanation was that a huge Tsunami had recently taken place in the area, destroying everything until 1 or 1.5 km far from the sea. The day after our arrival we immediately started to explore the area (the so called "Comesana valley"). Reaching the advanced base camp and then the mountain was one of the many big questions of the expedition. The approach we chose involved crossing a big river coming out of the lake. In order to be able to do that, one of us swam through the lake and we set up an acrobatic 80 metre Tyrolean. Rubber boots turned out to be essential for walking through swamps and rivers.

Leading the crux pitch., 189 kb
Leading the crux pitch.
© Silvan Schüpbach

Eventually on 15th February we positioned an advanced base camp, at approximately 1 and a half hours from the beginning of the wall. Everything was now ready, we just needed some good weather to start the climb! The lack of a clear weather window kept us guessing about different strategies and routes. When we finally sat out the last storm in the ABC with a forecasted 1.5 day window ahead, it became clear, that the only reasonable line was the obvious ice ramp halfway up the south/west face.

Rime ice coating the crux pitch., 240 kb
Rime ice coating the crux pitch.
© Silvan Schüpbach

Once the semi-dry gear was in our packs, the climbing finally began on February 23rd. Moderate mixed terrain including a few harder pitches led us to the ice ramp. The ice turned out to be perfect and we could enjoy rime ice up to 90°. After 12 hours of climbing we enjoyed a breathtaking glimpse to the southern ice field at dusk from the summit.

Big exposure on Riso Patron Sur., 169 kb
Big exposure on Riso Patron Sur.
© Silvan Schüpbach

Happy for having reached this untouched summit, we felt overwhelmed while looking north: our dream of completing the climb by traversing to the central summit was foiled due to the shortness of the weather window and the obvious difficulties. After bivvying in a cosy cave below the summit, we descended the south ridge and rappelled the west face.

photo
Negotiating a steep ice section.
© Silvan Schüpbach

Once safely back at base camp, we would have liked to climb once more in this paradise, but the weather definitively turned bad. After spending another long day extracting all gear from the ABC, we started our return journey in kayaks, which included 5 days of fighting against strong gusts.

Summit selfie., 167 kb
Summit selfie.
© Silvan Schüpbach

Route Facts

Riso Patron Sur (approx.2350m), King Kong, 900m, M7+, 90°,

23.02.2018, S.Schupbach & M. Della Bordella

photo
Topo Riso Patron Sur
© Silvan Schüpbach



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