Climber Solos 17-Pitch Cima Grande North Face in Winter

Why It Matters

The ascent pushes the limits of solo winter alpinism, underscoring the Dolomites’ status as a proving ground for elite climbers and inspiring a new wave of high‑stakes, low‑protection ascents.

Key Takeaways

• Gietl completed 17-pitch solo in two days, March 5‑6
• Route grades up to XI+ (5.13a) with mandatory 5.12 sections
• First winter solo of Das Phantom der Zinne since 1995
• Highlights growing trend of extreme solo winter ascents in Europe
• Reinforces Dolomites' reputation for world‑class technical climbs

Pulse Analysis

Das Phantom der Zinne has long been a benchmark for technical proficiency in the Dolomites. First freed by Kurt Astner and Christoph Hainz in 1995, the 550‑metre line combines steep, overhanging limestone with sparse protection, demanding climbers master both sport‑climbing precision and alpine endurance. Its grading up to XI+ places it among the hardest big‑wall routes in Europe, and its reputation for committing moves has limited repetitions to a select few, preserving its mythic status.

Simon Gietl’s solo winter ascent reflects a broader shift toward ultra‑committed, low‑margin climbing in alpine environments. Having previously attempted the line in 2010 and 2015, Gietl leveraged years of experience on the Tre Cime massif, including a solo winter traverse in 2020 and first winter ascents of ISO 2000 and Pressknödel. The two‑day push required meticulous route planning, self‑belaying on marginal gear, and coping with brittle, cold‑induced rock. By bivouacking on a high ledge and navigating XI+ pitches without a partner, Gietl demonstrated that elite alpinists can merge sport‑climbing difficulty with true alpine commitment, a combination that few have successfully executed.

The successful solo will likely reverberate through the climbing community, encouraging more athletes to test the limits of winter big‑wall soloing while prompting guide services and local authorities to reassess safety protocols on iconic faces. As media coverage amplifies the feat, tourism interest in the Tre Cime may rise, bringing economic benefits but also increasing traffic on fragile routes. Ultimately, Gietl’s ascent adds a new chapter to the Dolomites’ storied climbing heritage, reinforcing its role as a crucible for pioneering alpinism.