Jostedalsbreen has a length of a little more than 60 kilometres ( 37 mi ) .
Jostedalsbreen is a part of the 1,310 - square - kilometre ( 510 sq mi ) Jostedalsbreen National Park , which was established in 1991 .
Jostedalsbreen has a length of a little more than 60 kilometres ( 37 mi ) and it is a part of the 1,310 - square - kilometre ( 510 sq mi ) Jostedalsbreen National Park , which was established in 1991 .