NATURAL FEATURES

The region is home to a variety of charming natural wonders.

The meandering waters and peaceful wetlands provide perfect spots for relaxation and wildlife observation.

AIRE-LA-VILLE

Etang La GouilleThe Gouille pond is situated near the Moulin de Vert nature reserve.
Location: Google Maps

BERNEX

River AireThe 11km river Aire traverses the town of Saint-Julien-en-Genevois in France, and the communes of Perly-Certoux, Onex, and Lancy in Geneva.
Parts of the river have had their banks canalled, parts have retained their natural course, and other parts flow underground.
This river has several tributaries along its course, some of which include the Ogny and the Aranda streams in France. On the Swiss side, it receives water from the river Drize before joining with the river Arve.
The walk along this river is explained in more detail on the Lancy to Perly page.
Location: Google Maps

COLLEX-BOSSY

Plan d'EauThis 'body of water' is situated on the border with France and is fed by the Gobé stream.
It can be reached by a stroll along Chemin de la Fenière.
Location: Google Maps

DARDAGNY

River AllondonThe Allondon is a 17.9 km river flowing through France (Auvergne-Rhône-Alpes) and Geneva canton. It starts at 649 meters in Échenevex in France, and flows into the Rhône near Russin.
Follow the meandering course of the Allondon river, along numerous walking paths, through the Vallon de l'Allondon (Allondon Valley) - an alluvial area of national importance as well as of remarkable beauty.
The river can be accessed from several places starting from Moulin Fabry all the way to its confluence with the river Rhône.
Location: Google Maps

Bitumen caves of Le RoulaveThe first mention of Dardagny’s bituminous deposits dates back to 1729 when the Seigneur of Dardagny sought to form a company to exploit the local bitumen, mistakenly hoping to find coal.
In 1826, an important source of bituminous oil was discovered, but exploitation was abandoned due to high costs. Attempts between 1836 and 1839 failed due to poor quality.
Today, the main cave is closed to visitors, and only the left bank trail remains open for easy walks through the forest, offering unique natural views.
Location: Google Maps

The Roulave stream The Roulave stream, previously known as the Roulavaz, has its source at the foot of the Jura mountains in France and flows through the Allondon valley.
In 2017, a new wooden footbridge was installed over the stream.
Parking is available on Route de l'Allondon, where the walk along the stream starts, and can be followed until Route de Malval.
Location: Google Maps

MEINIER

Zone humide de RouelbeauThe Rouelbeau wetland is located near the ruins of Rouelbeau Castle.
Location: Google Maps

MEYRIN

Lac des VernesInaugurated in 2017, the Vernes Lake is a rainwater retention basin for Meyrin. The lake's purpose is to regulate the floods of the Nant-d'Avril.
Visitors can stroll along pathways around the lake and enjoy its relaxation areas. Docks, observation points, and an educational and instructional trail delight curious visitors.
Note that swimming in the lake is forbidden.
Location: Google Maps

PREGNY-CHAMBÉSY

Ecrevisses PondA natural water body primarily fed by springs, revitalized and transformed into a nature reserve with protected aquatic flora and fauna.
Location: Google Maps

SATIGNY

Nant d'AvrilThe Nant d'Avril, a stream 5.6km long, takes its source from the marshes of Mategnin on the French-Swiss border and traverses the Swiss communes of Meyrin and Satigny.
Since the beginning of the 19th century, it has been greatly modified.
Accessible from several points including Route de Mandement, Chemin de Merdisel and Route d'Aire-la-Ville in Satigny.
Location: Google Maps

TROINEX

River DrizeThe 9 km long Drize River starts in Archamps in France, flows through Bossey and Collonges-sous-Salève, enters Switzerland at Bardonnex, and passes through Geneva before joining the Aire at 390 metres.
From 1934, the river's course was modified, with drainage works from 1941 to 1983. Since 1997, efforts to clean and restore the river have been extended with a cross-border agreement signed in 2003.
You can walk along part of the river in Troinex. Starting from Route de Moillebin, this walk runs along the Drize river to the Chemin d'Evordes. Following the path, you will also pass the Parc de la Drize.
Location: Google Maps

VERSOIX

Molard Green SpaceRedevelopment of this site in 2015 was carried out in order to protect the neighbouring buildings from risk of flooding, but also serves as open space for leisurely walks as well as a habitat for local wildlife.
Location: Google Maps

Richelien PondOn this body of water fishing is permitted, provided a permit has been obtained.
Fish that can be caught here include pike, rainbow trout, brown trout, perch and carp.
Location: Google Maps

Versoix CanalThe 4.5km Canal de Versoix branches off from the river Versoix in the hamlet of La Bâtie, then traverses the commune of Versoix before joining with Nant de Braille stream, which empties into Lake Geneva.
The canal can be followed from Route de La-Batie all the way to Chemin de Braille in Versoix.
Location: Google Maps

Versoix RiverLa Versoix, a 22km-long river that has its source in Divonne-les-Bains in France, traverses the cantons of Vaud and Geneva and empties into Lake Geneva.
This river courses through the Gravines Forest nature reserve.
Accessible from multiple locations, including Sauverny, Collex-Bossy and Versoix.
Location: Google Maps

VEYRIER

River Arve waterfallAlong the river Arve, near to the Berges de Vessy, is a spectacular, large waterfall and a peninsula that divides the course of the river into two parts.
This waterfall can be reached on foot from Vessy Sports Centre and Veyrier by walking along the river Arve.
Location: Google Maps

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