High Sierra


Each spring, the Sierra Nevada marks a high point for hikers making their way along the Pacific Crest Trail (PCT) from Mexico to Canada. Referred to simply as “the Sierra” by locals and long-distance hikers alike, this mountain range holds a special place in the hearts of those on the PCT. Its largely untouched wilderness, stretching for hundreds of kilometers and encompassing three national parks1 as well as numerous protected areas, captivates with its raw beauty.

The Sierra presents significant challenges for hikers. Snow-covered passes rise to elevations of 4,000 meters, and the terrain is demanding and mostly remote. One can spend more than a week on narrow footpaths, far from roads, settlements, or any mobile phone signal. The absence of nearly all signs of modern civilization creates the feeling of being entirely on one’s own—only the narrow trail and a few footbridges across wide rivers reveal any human presence. Resupply is particularly challenging. Food must be carried for long stretches. In this section, the PCT largely avoids roads. Hikers rely on so-called “sidetrails” that lead back to civilization over high passes—a strenuous and time-consuming endeavor.

The winter of 2022/23 brought more snowfall to the Sierra Nevada than at any point in the past 40 years, with some regions setting new records. As a result, the Sierra crossing in spring 2023 became a major challenge. Normally, at least the valleys are snow-free by spring, but in 2023, a nearly continuous snow cover stretched for over 500 kilometers. Navigation relied heavily on GPS, yet choosing the right path remained difficult, as the terrain constantly required adaptation to the conditions. Daily distances dropped to just over 20 kilometers2. Every step through the deep snow demanded many times more energy and time than on snow-free ground. Logistics were also complicated. Many roads and supply points that usually open in May remained closed until July 2023. Food had to be carried for over a week, and together with the extra equipment3 required, backpack weights rose to around 25 kilograms.

Beyond the extreme effort, the snowpack also posed considerable risks. Although Sierra snow is often considered relatively stable in spring, routes always had to be chosen with avalanche danger in mind. Tragically, fatal avalanches occurred near the PCT in June and July 2023.4 To minimize risk, hikers would start early at dawn to take advantage of the snow, which had hardened during the cold night. As temperatures rose during the day, the danger of wet-snow avalanches increased. During the melt, many creeks turned into raging rivers. Sometimes snow bridges, fallen trees, or rare footbridges helped with crossings, but often the only option was to brave the icy, turbulent water.

Given these extreme conditions, most PCT hikers in spring 2023 chose to skip the Sierra section and continue their journey further north. The Sierra was even quieter, even lonelier than usual. For the few hikers who did choose to take on this adventure, it offered an extraordinary and deeply meaningful experience.

This photo series documents my crossing of the High Sierra on the Pacific Crest Trail - from mid-May to the end of June 2023.


1Sequoia National Park, Kings Canyon National Park, Yosemite National Park (from south to north)
2The lowest daily distance was 17 kilometers after 10 hours of pure hiking time.
3Bear canister (required in the Sierra Nevada for food storage), snowshoes, crampons or microspikes, ice axe, extra warm clothing
4Fatal avalanches in June are very rare in California. A fatal avalanche in the month of July had never been recorded in California before 2023.


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