twingi gorge road (ausserbinn–binn) in the alps mountain, binn, binntal, switzerland

mountain trail valley ridge walking tree terrain adventure geology wilderness cliff rock wadi infrastructure village road plateau hill twingi gorge ausserbinn–binn alps binn binntal canton valais switzerland tunnel bike tourism tourist pathway path old wild scenery sky hiking summer vacation river natural park water blue beautiful view scenic outdoor green forest landscape travel nature mountains grass spring trees rural