The majority of Huglo is bare rock. A bit of dwarf pine forest is the only vegetation able to put down roots. Along the west- and east sides, to the contrary, the landscape is unusually green and lush. The reason lies both in the bedrock and in the ice that covered the area 12 000 years ago.
One of the biggest black alder forests in the country is in Hystadmarkjo. Along the well prepared trail through the forest you can experience an exceptional nature with an unusual abundance of exuberant plant species. But what has laid the foundation for this richness?