Water on the land Crossword

A tidal river found where the river meets the sea
A winding curve or bend in a river
An area of land, which is covered in water when a river bursts its banks
The place where a river enters the sea, lake or larger river
The lateral erosion on the outside bend causing undercutting of the bank
Pebbles are bounced along the riverbed
Large, heavy pebbles are rolled along the riverbed
An area of land drained by a river
A narrow valley with steep, rocky walls located between hills or mountains
The junction of two rivers, especially rivers of approximately equal width
When pebble grind along the river bank and bed in a sand-papering effect
A smaller river that joins a larger one