An historic pond on Hampstead Heath has now reopened for swimming after managers cleared it of potentially toxic algae.
Kenwood Ladies Pond was closed last month as a precautionary measure due to "high levels of blue-green algae".
Known as cyanobacteria, blue green algae are microscopic bacteria that live in water and thrive on sunlight.
The Pond, which celebrates its 100th anniversary this year, reopened to the public today (September 3) after the two week closure.
In a message posted yesterday on its Hampstead Heath Instagram page, The City of London Corporation, which manages the green space wrote: "The Ladies’ Pond will reopen at 7am tomorrow morning (Thursday 3 Sep) .
"Thank you for your patience. We look forward to welcoming swimmers back to the Pond."
Heath managers added that the walk in, tap and pay system will resume on Tuesday.
"The booking system at the Ponds and Lido is open until Monday 7 Sep. After that, all swimming is pay/tap on arrival and no bookings are possible until spring 2027."
The deep natural pond is one of the Heath's three bathing ponds and was officially designated for women-only swimming in 1926.
Hampstead's three bathing ponds, the Men's, the Mixed and the Ladies were originally formed when the Fleet river was dammed in the 18th century to create a reservoir for the growing city.
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