2 Fill in: waterfall, river, mountain, desert, bay. Write in your notebook. 1. It took us six hours to climb the ..., but the view from the top was amazing! 2. In summer, we go down to the ... and go swimming in the sea 3. My uncle has a small boat and he often takes us on trips up and down the .... 4. It hardly ever rains in the ... and so there aren't many plants or animals there. 5. The ... was very beautiful, but the sound of the water was very loud.