Arboretum guide

This flower-filled park in the Yvelines hides an arboretum, royal secrets, and has inspired Blake and Mortimer.

In Buc, in the Yvelines, the park of Haut-Buc Castle is freely accessible year-round. A pedagogical arboretum, Louis XIV’s secret child, an eccentric astronomer, and the backdrop for Blake and Mortimer: this estate has more than one story to tell. Here’s more about this superb place in full bloom, a must for tulip lovers.

Essonne: this château with remarkable gardens reopens its grounds to visitors

The Domaine de Courson, a castle classified as a Historic Monument and a park labeled Jardin Remarquable in Courson-Monteloup, Essonne, reopens to visitors in April 2026 and will remain open until November 1. It’s the moment to discover its sublime green spaces and, why not, to dive into the castle’s history on a guided tour.

Montfermeil Arboretum: An Unconventional Natural Retreat in Seine-Saint-Denis

In Seine-Saint-Denis, the Montfermeil municipal arboretum stretches over 11 hectares of greenery, featuring a unique botanical trail, open to visitors free of charge year-round. It's a perfect nature getaway to the east of Paris, especially during this sunny season.

Launay Botanical Garden and Paris-Saclay Arboretum: A Global Journey Through Plants in Essonne

We head to Essonne to explore the botanical garden of the University of Paris-Saclay, sprawling across 90 hectares of plant collections on the Orsay campus. Home to nearly 3,000 species from around the globe, it offers free guided tours and features a conservation arboretum, making for a perfect green getaway just a short train ride away from Orsay station.