World's second deepest canyon located in Turkey's Black Sea province of Kastamonu attracts visitors. Kastamonu's Pınarbaşı district is home to two canyons which have a huge tourism potential with their natural beauties, attractions and proper for nature sports such as rock climbing and trekking. 'Valla Canyon is the world's second deepest canyon. The most deepest one locates in Arizona in the U.S.,' Şenol Yaşar, mayor of Pınarbaşı district, told Anadolu Agency. Yaşar said Valla Canyon is a natural wonder with its 1,100 meters depth and called the canyon as 'wild heaven.' 'There is no need to go to Arizona. We want to introduce [the canyon] here and increase the number of tourists,' he stressed. Referring to Pınarbaşı's other Horma Canyon, he said many people regularly visit the canyon for trekking. 'We will do our best to increase the number of visitors [to Horma Canyon] which is already 60,000 although it has not been widely well known,' he said.