Valais

Valais, Switzerland has 12 aerodromes in Sprinkle's airport directory. Of the 12 entries listed here, 7 are classified GA — public, 4 Heliport and 1 Domestic. Across the same set, 9 carry a four-letter ICAO location indicator and 3 have neither on file. Named examples include Altiport du Glacier de Tsanfleuron (LSYZ), Münster Airfield (LSPU) and Zermatt Heliport (LSEZ). Their names span 7 letter groups, from A to Z, each reachable from the A–Z rail above.