Narrow boat on Pontcysyllte Aqueduct, UNESCO, Llangollen Canal over valley of the River Dee, Wales, United Kingdom

narrow boat pontcysyllte aqueduct river dee wales llangollen canal unesco greenery nature travel outdoor cruising landscape valley mountains waterway tourism recreation boating relaxation scenic adventure countryside autumn heritage structure architecture sky clouds peaceful journey friends leisure environment natural beauty hills rural picturesque explore site culture history weekend escape tranquility water