île Pissevinaigre

Île Pissevinaigre is a small river island in the Marne, located within the municipality of Champigny-sur-Marne in the Val-de-Marne department, a short distance east of central Paris. It is the largest of three islands forming the Departmental Nature Reserve of the Islands of the Marne (Réserve Naturelle Départementale des Îles de la Marne) — alongside Île de l'Abreuvoir and Îles des Gords — covering an area of roughly 7,000 square metres.

Where does the unusual name come from?

The island's name tends to catch the attention of anyone walking along the riverbanks nearby. According to local tradition, "Pissevinaigre" refers to a light, slightly tangy wine once served on the banks of the Marne — a wine that came from the vineyards growing on the slopes of Champigny. It's the sharp, almost "vinegary" character of that local wine that is said to have given rise to the island's playful name, which stuck over time.

How has the island changed over the years?

The history of Île Pissevinaigre's management mirrors broader shifts in how riverside greenery has been treated around Paris. The island was originally covered by a poplar plantation — a fast-growing species widely planted along French rivers for decades for practical, economic reasons. Over time, management approaches shifted toward greater species diversity. About ten years ago, the Val-de-Marne department carried out a complete replanting of the island, aiming to create a more varied, naturally diverse plant environment in place of the earlier monoculture.

Can visitors set foot on the island?

Île Pissevinaigre, like the neighbouring Îles des Gords, is protected as an entirely natural area, and access on foot is prohibited. This protects the island's rich flora, including rare plant species, from tourist pressure and habitat degradation. That doesn't mean the island is out of reach for residents and visitors, though: it can be observed from the water, by paddling along the Marne in a canoe, kayak, or boat. This way of experiencing the island lets people appreciate its dense vegetation and quietly wild character without disturbing its ecosystem.

What is the Nature Reserve of the Islands of the Marne?

Île Pissevinaigre forms part of a wider protected complex — the Departmental Nature Reserve of the Islands of the Marne, which brings together three islands: Île de l'Abreuvoir, Îles des Gords, and Île Pissevinaigre itself. The reserve was established to preserve riverside habitats that are unusual for the heavily urbanised Paris region — places where natural riparian and aquatic vegetation has managed to survive despite the intense development of the Marne valley. For residents of Champigny-sur-Marne and nearby towns, it represents a meaningful piece of local natural heritage, one that can be admired while walking along the riverbanks.

Frequently asked questions

Can you walk onto Île Pissevinaigre? No — the island is a fully protected area closed to the public. It can, however, be viewed from the water by canoe, kayak, or boat along the Marne.

Where does the island's name come from? The name refers to a light, tangy wine from the vineyards on the slopes of Champigny, once served along the banks of the Marne.

How large is Île Pissevinaigre? It covers about 7,000 square metres, making it the largest of the three islands in the reserve.

Where exactly is the island located? On the Marne river, within the municipality of Champigny-sur-Marne in the Val-de-Marne department, right next to Île de l'Abreuvoir and Îles des Gords.