The Thames is now starting at Thames Head.
In the evening I revisited the Source of the Thames hoping to find water pumping out of the stone-lined hole, where water does occasionally emerge from underground, but no, it's still dry and filled with autumn's leaves. However, the river is starting to flow from Thames Head, flowing down the ditch that had been previously dry when I last visited it. Underground water was surging up from Lyd Well.
See map below
The River Within - Thames source to sea
Follow my photographic exploration of the Thames from source to sea from a kayak