Three Mills Green & Three Mills Island

Let’s talk about a secret little slice of London that feels like it was sprinkled with #adventure dust. I’m talking about Three Mills Green and its little sibling, Three Mills Island. You don’t need a passport, a plane ticket, or even a full tank of petrol to find them—just a curious spirit and a pair of walking shoes.

So, where exactly are we going?

These two spots are tucked away in the Lee Valley, right near the Olympic Park and the glitzy Stratford area. But here’s the twist: they feel like a time machine disguised as a park. You’ll forget you’re in the thick of London within minutes.

Three Mills Island is the real star—one of the oldest surviving industrial islands in the UK, complete with ancient tidal mills that have been grinding grain since the Domesday Book. And Three Mills Green? That’s the lush, grassy runway that leads you there.

Why this place makes life more fun

First, it’s a ridiculously easy escape. No planning, no booking, no stress. You just show up, and suddenly you’re breathing deeper. Picture this: you’re walking along the River Lea, and the water is doing its gentle, glistening thing. Geese waddle past like they own the place. You might even spot a heron standing perfectly still, judging your phone screen time. Fair point, bird.

Second, the history here is totally bizarre and delightful. Those big, red-brick mills you see? They were used to make gunpowder for the British Navy. Yes, gunpowder. Cannons were loaded with the stuff milled right here on this teeny island. Take a moment to imagine that: a quiet, green island exploding with bang and purpose. Today, it’s the quietest spot for a picnic—unless you bring your own party poppers.

And here’s the fun part: you can walk across a historic bridge called the White Post Lane Bridge. It opens up for boats, so if you time it right, you get a free show of a barge gliding by while you stand there feeling like a river royalty.

Discover Three Mills Island, London — London x London

Three Mills Green is the perfect sidekick

While the island holds the history, the Green holds the fun. It’s a wide, open space where local dogs chase frisbees with zero dignity. Kids run loops until they collapse. You can bring a blanket, a book, or just your lazy Sunday energy. The best part? The noise of the city is muffled here, like someone turned down the volume on the world. Seriously, you can hear birdsong over the hum of the DLR. That’s magic.

There’s also a community garden on the Green, where volunteers grow veggies and flowers with ridiculous enthusiasm. You might be tempted to secretly sniff a rose. Go ahead. I won’t tell.

How to make it a mini-adventure

Start at Bromley-by-Bow Tube station. Walk five minutes, and you’re there. Boom. Bring a flask of tea (or something stronger, no judgement), a snack, and zero plans. Wander the island’s paths. Peek at the old mill windows. Take a photo of the House Mill—it’s the largest tidal mill in the world, and it looks like something from a Victorian fairy tale.

Three Mills Island Walk in East London - Simone Says GO!

Then, plop down on the Green. Watch the clouds. Listen to the water. Let your brain unfrazzle. That’s the whole point.

The uplifting note you didn’t know you needed

Here’s the truth: adventure doesn’t have to be big to be brilliant. Three Mills Green and Three Mills Island remind us that wonder is hiding in plain sight. You don’t need a mountain to climb or an ocean to cross. You just need a patch of grass, a river to follow, and a willingness to say “yes” to the unexpected corner of your own city.

So next time you feel stuck in a rut, remember this: a tidal mill once made gunpowder for cannons—and now it makes peace for tired souls. Go find it. Let it fill your lungs with river air and your heart with quiet joy. You deserve that little spark of magic. Seriously, go.