From Fiesch via Fiescheralp through the Tälligrattunnel or from Eggishorn on foot to the Great Aletsch Glacier. Access to the glacier is also possible via Riederalp and Bettmeralp. Going onto the glacier itself is permitted only if accompanied by a mountain guide. The mountain guide centre is located in the public transport hub in Fiesch.
Book your guided glacier tour