This four-legged creature was spotted basking in the river in Twickenham last week.
Anja Weise-O'Connor, from Whitton, was walking past the River Crane at Kneller Gardens when she mistook a turtle for a twig on June 22.
Delighted with her find, Ms Weise-O'Connor said: "I was thinking that twig looks off it looks like a turtle and it turns out I was right.
"Maybe it escaped or has been set loose I am not sure but it certainly seemed well."
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here