This project I've been working on for four or five years and still isn't near completion. It's a dry riverbed except in
spring when it is the runoff for my steep driveway, or if we run the hose down it, which is a lot of fun. The part I've got now is about 60 yards long , but I plan on putting a pond at the bottom of it that will overflow when full and extending the riverbed another 20 yds down to the culvert which goes under the road here.
This is from the top looking down:
and this is from the bottom;