mature woman walking on hiking path in dutch nature reserve bemelerberg among wild green grass

active adult adventure calm caucasian concept countryside dutch ecosystem elderly environment europe female foliage forest grass green healthy hike hiking land leisure lifestyle mature meadow nature old outdoors park path pathway people person plain rear view relax season senior sport spring tourist trail travel trekking valley walking woman woodland woods reserve bemelerberg wild leafy trees background blue sky long gray hair jeans sunny day south limburg netherlands