Sunrise over Athens with the city and hills stretching toward the Aegean Sea

Practical tips

Can You Drink Tap Water in Athens?

Short answer: yes. Here's everything you need to know about water quality, staying hydrated, and beating the Athens heat.

George Stilianos, Athens tour leader

By George Stilianos

Tour leader in Athens since 2010. 16 years walking these hills, 2,000+ guests from 40 countries.

Last updated: 23 March 2026

At a glance

  • ✓Athens tap water is safe, clean, and tastes good. Yes, really.
  • ✓It comes from three mountain reservoirs and meets all EU standards
  • ✓Bring a refillable bottle. Public fountains exist across the city.
  • ✓Summer heat (35-40°C) is the real challenge, not the water
  • ✓At restaurants, say "nero apo ti vrisi" if you want tap instead of bottled

Yes, Athens tap water is safe to drink. It's clean, well-regulated, and tastes good. Bring a refillable bottle.

Athens Water Quality

Athens gets its water from three mountain reservoirs: Lake Marathon, Mornos, and Evinos. EYDAP (the Athens water company) treats and distributes it, and it meets all EU drinking water standards. Fill a reusable bottle before your Athens walking tour and you're set.

Here's a bit of trivia that most visitors don't know: the Marathon Dam was built in the 1930s and faced with Pentelic marble — the same marble they used to build the Parthenon 2,400 years ago. So your drinking water is literally stored behind a dam clad in ancient temple stone. Only in Athens.

In terms of quality, Athens consistently ranks near the top in Southern Europe. It's cleaner than a lot of Mediterranean capitals that people drink from without a second thought.

How Does Athens Tap Water Taste?

Soft, neutral, no weird mineral aftertaste. If you've had tap water in London or Barcelona, Athens is noticeably better. Most visitors are surprised — they expect Mediterranean tap water to be dodgy and it just... isn't.

One caveat: older buildings can have ageing pipes, which might give the water a slightly different taste in the first few seconds. Run the tap briefly before filling your bottle and you're fine. The mains supply is excellent. Any off-taste is almost always the last two metres of pipework in the building, not the water itself.

At restaurants you'll be brought bottled water automatically (usually €0.50-€1 for a half-litre). If you'd rather drink tap, just say "nero apo ti vrisi" (νερό από τη βρύση). Nobody's going to look at you funny.

Staying Hydrated in Athens Heat

The water's fine. The heat is the problem. Summer in Athens means 35-40°C, and most of the best outdoor stuff involves walking uphill in direct sun. Here's how to not wilt:

Carry More Water Than You Think

Rough guide: 1 litre per 2 hours of walking in summer. If you're hiking Lycabettus Hill or the Philopappos trails, 750ml minimum. George nags every group about this before they start.

Go Early or Go Late

Before 10 AM or after 5 PM. That's the window. It's why George runs the Sunrise Hike at dawn — you're done before the heat even starts, and you get the best light of the day as a bonus.

Use Public Water Fountains

You'll see public drinking fountains (vrysaki) near parks and archaeological sites. They're connected to the mains and safe. Kolonaki at the base of Lycabettus has a few. Keep an eye out — they're easy to miss but a lifesaver in July.

Sun Protection Matters

The Mediterranean sun is no joke, especially on exposed hilltops. Hat, sunscreen, sunglasses — from May to October these aren't optional. George has seen people underestimate the sun on Lycabettus more times than he can count. Don't be that person.

Hydration Tips for Hiking Athens' Hills

The hills are the part of Athens most visitors never see — and they involve real uphill walking in direct sun. Lycabettus is 277 metres. Philopappos has exposed sections with no shade for stretches. Water isn't a nice-to-have here.

George's number one tip after 16 years of doing this: "Drink before you're thirsty." By the time your body tells you it wants water, you're already playing catch-up. He's watched it happen hundreds of times.

On his walks, he builds in stops at shaded lookout points — you drink water, catch your breath, and take in the view. Smarter than powering up a hill and arriving at the top completely cooked. If you're planning to tackle the off-the-beaten-path trails on your own, same rule applies.

Small group enjoying views from an Athens hilltop during a walking tour

Skip the Plastic Bottles

The tap water's fine, so you really don't need to buy a plastic bottle from the periptero every time you're thirsty. Pack a reusable bottle. Fill it at your hotel or Airbnb in the morning, top it up at fountains and cafés during the day, and you're sorted.

It saves money, it's better for the environment (plastic waste is a growing problem along Greece's coastline), and most cafés will top you up if you ask nicely. Greeks are generous with water — culturally, offering it to someone is just what you do.

Athens Water FAQ

Can you drink tap water in Athens?
Yes. It's safe, well-regulated, and tested constantly by EYDAP (the Athens water company). It comes from reservoirs in the mountains — Lake Marathon, Mornos, and Evinos — and meets all EU standards. Most visitors are surprised at how good it tastes.
Does Athens tap water taste good?
It does. It's relatively soft and neutral — better than London, Barcelona, or Paris tap water, in our experience. Some older buildings have ageing pipes that can affect taste slightly, but the water from the mains is excellent. Run the tap for a few seconds first if you're in an older place.
Do locals drink tap water in Athens?
Most Athenians drink it at home, yes. Some buy bottled out of habit more than necessity. At restaurants you'll usually get bottled water brought to the table, but you can ask for tap — "nero apo ti vrisi" — and nobody will bat an eye.
Should I bring a reusable water bottle to Athens?
Definitely one of the most useful things to pack. Fill up at your hotel, use the public drinking fountains around the city, or ask a café to top you up. Saves you money and means less plastic ending up on Greek beaches.
How hot does Athens get in summer?
Regularly above 35°C in July and August. Heatwaves push it past 40°C. Humidity is low so it doesn't feel as heavy as tropical heat, but the sun is fierce, especially on exposed hillsides. If you're doing anything outdoors, go early, drink plenty of water, and wear a hat. Not optional.

Explore Athens' Hills the Smart Way

George's early-morning hikes beat the heat, hit the best viewpoints, and keep you hydrated with a sensible pace and shaded rest stops.

See what 2,000+ hikers say about their experience.

Sunrise Hike Conquer Lycabettus Hills Climb