View from above on Stift Olsberg monastery. Olsberg is a municipality in the district of Rheinfelden in the canton of Aargau in Switzerland; Swiss; town; city; winding; road; country; environment; built; structure; field; green; landscape; hill; mountains ;cloud; rural; scene; scenic; scenery; old; architecture; village; house; landmark; building; exterior; sky; agriculture; facade; meadow; springtime; sunny; day; nature; farm; farming; travel; tourism; colorful; historic; europe; countryside; outdoor