Mountain town in Bern, Switzerland

Can you drink tap water in Interlaken?

Updated October 2026Sources

YesYes, drinkable

Can you drink the tap water in Interlaken?

Tap water is safe to drink. Excellent alpine tap water; village fountains are drinkable unless marked otherwise.

Key facts

In Interlaken: Excellent alpine tap water; village fountains are drinkable unless marked otherwise.
Across Switzerland: Excellent tap water; town fountains are drinkable unless marked 'Kein Trinkwasser' or 'eau non potable'.
Safely managed drinking water: 97% of people in Switzerland (2024, WHO/UNICEF JMP).

Tap water across Switzerland

Place	Tap water
Zurich	Yes, drinkable
Geneva	Yes, drinkable
Lucerne	Yes, drinkable
Interlaken	Yes, drinkable
Zermatt	Yes, drinkable
Bern	Yes, drinkable
Basel	Yes, drinkable
Lausanne	Yes, drinkable
Lugano	Yes, drinkable
Grindelwald	Yes, drinkable
St. Moritz	Yes, drinkable
Montreux	Yes, drinkable

Quick answers

Is tap water safe to drink in Interlaken?

Tap water is safe to drink. Excellent alpine tap water; village fountains are drinkable unless marked otherwise.

Can you drink tap water in Switzerland?

Excellent tap water; town fountains are drinkable unless marked 'Kein Trinkwasser' or 'eau non potable'.

More about Interlaken

Going to Interlaken solo?

SoloSquare is where travelers, nomads and locals in Interlaken meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.

See plans in Interlaken

Sources

Verdicts reflect official utility statements and what locals actually do. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.