Across the Spine of Crete (E4 Path)

The 'Spine of Crete' is the mountainous centerpiece of the E4 European Long Distance Path on Greece's largest island. This high-altitude traverse connects the three major massifs—the White Mountains (Lefka Ori), the Ida Range (Psiloritis), and the Dikti Mountains. The route is characterized by a high-alpine karst landscape, often referred to as a 'limestone desert' due to its stark, treeless plateaus and thousands of sinkholes. Hikers navigate a mix of ancient donkey paths (kalderimia), rugged shepherd trails, and deep limestone gorges, including the legendary Samaria Gorge. The trail offers a definitive study of Mediterranean mountain geomorphology, peaking at Timios Stavros (2456m) before descending to the Libyan Sea.

The Larapinta Trail is a 223km point-to-point long-distance track in the Northern Territory, Australia. Spanning from the Alice Springs Telegraph Station to the summit of Mount Sonder, the route traverses the spine of the West MacDonnell Ranges (Tjoritja). The landscape is defined by Proterozoic-era quartzite ridges, narrow gorge systems, and ephemeral river beds. The trail possesses deep cultural significance to the Arrernte people and offers exposure to one of the world's oldest geological landscapes.