exploring the entrance of paanajarvi national park in karelia surrounded by lush, green forests on an overcast day

paanajarvi national park karelia entrance sign wooden russia forest nature outdoor hiking travel landscape adventure exploration cloudy scenic tourism wilderness trails trees north biodiversity ecology conservation serenity tranquility rocks greenery natural beauty unspoiled remote wild camping picnic spots peaceful ecological walking scenery heritage rustic pathways landmarks activities wildlife exploring surrounded lush green forests overcast day welcomes visitors verdant sky inviting