There is a little nature reserve by the canal near the football ground, an oasis of calm. The water is sluggish with green on top apart from where the water seems to well up from the river bed in these gently roiling clear pools. I don’t think the water makes any sound here, there is some background traffic noise which would mask it.
The nature reserve was improved by the Access to Nature project in 2012. It’s easy to be cynical about some of these projects but this one seems to have worked really well, and there was a lot more birdsong in this part of path by the canal than in the unimproved bits.