A three-day trek to a 3,726 m crater rim above a crescent lake with a new cone growing in it.
The highest peak in the Balkans at 2,925 m, a long walk up from the Rila lakes.
South Korea's highest mountain, a shield volcano with a crater lake at the centre of Jeju.
The skyline that became the Patagonia logo, an easy day walk from El Chalten to the lagoon below it.
An active volcano you can ski in winter, with a hot acid lake in the crater.
Turquoise lakes among sharp peaks.
Sacred volcano and crater lake.
Wales's highest peaks and lakes.
Glacial lakes and a deep canyon.
North Macedonia's largest national park.
Trek to the world's second-largest hot lake.
High pastures and glacial lakes along Kosovo’s southern rim.
Turquoise alpine lake at 3,560 m, the classic Karakol trek.
Glacial lake staircase high in the Rila mountains.
Hike between villages to a crater lake.
The "troll’s tongue" rock ledge jutting 700 m above lake Ringedalsvatnet.
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