Samariá-Schlucht travel guide

Wikipedia says:

The Samariá Gorge is a national park in the island of Crete, one of the major tourist attractions of the island.
The gorge is in the prefecture of Chania in the South West of Crete. It was created by a small river running between the White Mountains (Lefká Óri) and Mount Volakias. There are a number of other gorges in the White Mountains. Some people say that the gorge is 18 km long but this distance refers to the distance between the settlement of Omalos on the northern side of the ... » more