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CERN Visitor Center – Mategnin Les Crêts Marsh loop from Saint-Genis-Pouilly

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CERN Visitor Center – Mategnin Les Crêts Marsh loop from Saint-Genis-Pouilly

Moderate

runners

CERN Visitor Center – Mategnin Les Crêts Marsh loop from Saint-Genis-Pouilly

01:10

11.2km

60m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 25, 2026

Waypoints

Start point

Bus stop

Get Directions

1.84 km

CERN Visitor Center

Highlight • Monument

They offer a free guided tour (1:30h with max 24 people ) with professors or graduate students and they are more than happy to answer any questions. You have to register for the tour 1h in advance. Reservations are not possible however, waiting is worth it.

Tip by

6.68 km

Mategnin Les Crêts Marsh

Highlight • Natural

One of the last true marshy areas in the canton of Geneva. On April 18, 1951, these lands were purchased by the Swiss League for the Protection of Nature (today Pro Natura). This area is slowly being invaded by forest and therefore in danger. 13 species out of the 136 recorded in Mategnin les Crêts appear on the red list of threatened species. Concerning fauna, there are 48 species of birds and multiple species of insects and amphibians.

Translated by Google •

Tip by

9.43 km

CERN – European Organization for Nuclear Research

Highlight • Monument

A renowned institution that conducts experiments on nuclear particles. The colliders are located in France and Switzerland and physicists from many countries work here. The museum is free to visit.

Translated by Google •

Tip by

11.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.23 km

3.80 km

598 m

592 m

Surfaces

7.97 km

1.86 km

705 m

511 m

185 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Sunday 17 May

17°C

8°C

67 %

Additional weather tips

Max wind speed: 9.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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CERN Visitor Center – Mategnin Les Crêts Marsh loop from Saint-Genis-Pouilly

CERN Visitor Center

Mategnin Les Crêts Marsh

CERN – European Organization for Nuclear Research

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