coo, belgium - 10 10 2023: cascade de coo, smaller waterfall, steep part

water waterfall rapid river stream watercourse rock nature wave creek ravine cliff terrain tree sea wilderness coast coo belgium 2023: cascade smaller small village stavelot ardennes located big double cascades theme park called plopsa waterfalls idyllic touristic special flair found season steep rocks forest green spring cascada eifel falling freshwater belgium coo waterfalls season