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That's still Blade Runner, raised to the power of Bellingcat.
Probably the way oat44 did it. :) However, Ludwig mentioned that it's a pond, if you search for the sentence he c&p'ed you get the British History Online page about Wanstead, and as this is a cycling forum, with at least a smidgen of awareness of road cycling, 'Toledo' might trigger the Eagle of Toledo. Ergo, Eagle Pond. I didn't find it all that difficult that way, but then I know Eagle Pond and have cycled past it many times.
https://www.british-history.ac.uk/vch/essex/vol6/pp317-322
At least it means oat44 can be very slightly challenged by the game every once in a while. :)
Still, I favour more obvious clues, and Will is quite right to remind us that the game shouldn't be one for riddle masters.
That's still Blade Runner, raised to the power of Bellingcat.