As the snow melts, spring is perfect for climbing in lower altitude areas and some high-altitude rock climbs become accessible. Most popular crags: 1. Magic Wood Renowned for its bouldering problems and stunning forest setting. 2. Gastlosen Features impressive limestone cliffs and a variety of multi-pitch routes. 3. Sanetsch Offers a mix of sport and trad climbing with beautiful alpine views. 4. Ponte Brolla Known for its sport climbing routes on granite, suitable for various skill levels. 5. Lehn A popular destination for sport climbing with a range of grades. 6. Baltschieder, Valais South-facing limestone and gneiss crags above the Rhône Valley — one of Switzerland's sunniest spring climbing areas. 7. Ticino Southern Switzerland's Italian-speaking canton offers sport climbing on granite slabs and bouldering in Valle Maggia — warm and dry by April.

Summer is ideal for high-altitude climbing, with warm weather and long days. Most popular crags: 1. Zermatt Iconic mountain scenery, home to the Matterhorn. 2. Grimsel Pass Stunning alpine landscape, known for its granite cliffs. 3. Engelberg Renowned for its impressive rock formations and varied routes. 4. Chironico, Ticino Switzerland's premier bouldering destination, with exceptional granite problems in a shaded forest — perfect for summer climbing. 5. Rätikon Offers challenging multi-pitch routes and breathtaking views. 6. Pontresina, Graubünden High-altitude granite climbing in the Engadin — multi-pitch routes on excellent rock with cool summer temperatures. 7. Bürchen, Valais South-facing limestone crags at mid-altitude — a reliable Swiss summer destination when lower crags are too hot. 8. Lägern, Aargau Limestone ridge near Zürich with sport routes of all grades — easily accessible and reliably climbable through summer.

Fall offers perfect temperatures and fewer crowds, making it a prime climbing season. Most popular crags: 1. Cresciano Renowned for its bouldering problems and stunning granite boulders. 2. Gimmelwald Features beautiful alpine scenery and a variety of sport climbing routes. 3. Kandersteg Known for its multi-pitch routes and impressive limestone cliffs. 4. Brüggler Offers a mix of sport and trad climbing with picturesque views. 5. Schächental Characterized by its diverse climbing styles and scenic valley setting. 6. Baltschieder, Valais Warm, south-facing limestone above the Rhône Valley — one of the last Swiss crags to stay dry into late autumn. 7. Cadarese, Piedmont border Exceptional granite crack climbing just inside Switzerland's southern border — a hidden gem for trad and sport climbers in autumn. 8. Gastlosen, Fribourg Prealps Dramatic Swiss limestone towers with multi-pitch trad routes in an alpine setting — spectacular autumn colours and reliable dry conditions.

Winter is great for ice climbing and mild bouldering conditions in certain areas. Most popular crags: 1. Saas Fee Known for its stunning alpine scenery and a variety of ice routes. 2. Pontresina Features beautiful granite and ice climbing options in a picturesque setting. 3. Ticino Offers a mix of bouldering and sport climbing with a mild climate. 4. Adelboden Renowned for its scenic views and diverse climbing routes. 5. Kandersteg Famous for its icefalls and traditional climbing routes.