The Bickwell Stream [aka the Wool Brook] runs through the Glen, rising just below Muttersmoor- and there’s a lot of history behind the stretch of water:
What’s in a name? What to call the stream running through the Glen Goyle? – Friends of Glen Goyle
There is not just one stretch, however:
An ancient water fountain feeding into the Glen – Friends of Glen Goyle
And its source is probably in Manor Park to the north of Broadway:
Convent Brook flowing into Bickwell Stream along the Glen – Friends of Glen Goyle
The two meet in the Glen – as photographed yesterday morning by John McGregor of the FOGG working party.

.
And John has also taken a video of the gentle waters:
.
.
Interestingly, the caption to a similar photo from four years ago refers to yet another name for the Glen Goyle stream:
A man made parkland waterfall. Running off a nearby mill leat. Runs into the Boughmore brook.
Glen Goyle Waterfall © Anthony Vosper cc-by-sa/2.0 :: Geograph Britain and Ireland
…