Sway presentation about The Zinal Glacier<=
Info about the Zinalgletscher (in German)
Located in the canton of Valais, it covers an area of 13.36 km2 and its length is 7.29 km (data from 2010). In 1973, the glacier covered an area of 15.70 km2. The relative area change amounts to -14.90 %.
The Glacier of Zinal was in 2013 just under seven kilometres long, so since 1973 it has receded (sich zurückgzogen/geschmolzen) by a little more than half a kilometre.
For more data and statistics:
Factsheet Glacier de Zinal (glamos.ch)
List of glaciers in Switzerland (wikipedia.org)