I think its 57%
In Slovakia
The Jura mountains join the Alps to cover approximately 70 percent of the land area of Switzerland.
The highest mountain range in Slovakia are the Tatra Mountains. The highest point on these mountains is Gerlach Peak which is 1,500 kilometers tall.
Mountains in general cover about 20 percent of the land surface of the Earth.
Jura mountains
About 2/5ths or 40 percent Montana's land surface is covered by the Rocky Mountains. About 60 percent of Colorado's land surface is covered by the Rocky Mountains while Wyoming's land surface is about 75 percent mountains.
Montana.
Mountains cover over 75% of Japans Land Surface.
Montana is a US state located in the Western United States. About 40 percent of its land area is capped by the Rocky Mountains.
The Tatra Mountains separate Poland and Slovakia.
These are the Carpathians.
I like pie slovakia