beat boulder coast cottage crane crash England fierce Great Britain landscape natural nature pound rage rock sea shore storm stormy surf surge tide water wave cloud colorado cumulus debris hike hiker hiking mountain mountains path range rocky rugged sky track trail Trek usa view walk blue dwindle edge high icy July margin melt norway norwegian plants plateau retreat snow thick vegetation white coastline distance distant island islands isthmus land Maddalena mediterranean pink rough Sardinia shoreline spit canada craggy far height jasper panorama peak river Rockies Rocky Mountains summit valley