The Angon gorge cuts through Jurassic limestone for one kilometre, dropping one hundred forty metres from its headwater spring to the cobbled shore of Lake Annecy. Carved over millennia by glacial meltwater, the canyon remained a shepherd's route until the mid-1990s, when French alpinists equipped the full descent with stainless-steel anchors and opened the integral line to guided parties. Today canyoning Angon integral is recognised as one of the most complete aquatic descents in the northern Alps, threading narrow flumes, toboggans worn smooth by centuries of flow, and a succession of vertical pitches that culminate in the twenty-seven-metre cascade visible from the lake's eastern shore. The canyon's microclimate sustains ferns, liverworts, and moss colonies that cling to the damp walls, while trout patrol the pools fed by year-round spring discharge. The rock itself is Tithonian limestone, the same formation that anchors the cliffs of the Dents de Lanfon rising above. Summer water temperature hovers near twelve degrees Celsius, cold enough to demand a five-millimetre wetsuit even in August. The route begins at the intake weir above Talloires-Montmin, descending through a sequence of jumps, slides, and rappels that grow progressively higher and more technical. The penultimate pitch — a fifteen-metre abseil beneath an overhanging chockstone — deposits you in the amphitheatre pool where the final cascade begins. From there, the last rappel traces the full height of the Angon waterfall, a white ribbon that threads the forest canopy and spills onto the gravel delta at lake level. Guided canyoning Angon integral tours operate daily from late May through mid-September, when snowmelt subsides and flow stabilises. The descent demands no climbing experience but requires comfort with cold water, sustained immersion, and multi-pitch rope work. Most parties complete the route in three to four hours, exiting at the Route d'Angon trailhead two hundred metres above the lakeshore. The canyon's popularity has grown steadily since 2010, and summer mornings now see multiple groups queuing at the upper pitches; early starts remain essential to secure solitude and optimal light. The integral route has been adopted by the French Canyoning Federation as a reference descent for alpine水系 gorge technique, and the site now appears in every major canyoning guidebook covering the Haute-Savoie region. The waterfall itself has been documented since the eighteenth century, appearing in lithographs and survey maps that predate the modern sport by two hundred years.