Butterfly House: 700 colorful wings at 40 km from Paris
At 28°C and 80% humidity, the air wraps around you the moment you push open the door. Light filters through banana tree leaves and orchids. A blue morpho flutters past you, its electric wings catching the light like a living stained-glass window. Welcome to the largest butterfly greenhouse in France.
Why visit Butterfly House?
Created in 1989 by Monsieur Poullain, owner of the garden center of the same name, this butterfly farm was the first in France to house semi-free-roaming exotic lepidoptera. The concept struck a chord: with 60,000 annual visitors, it ranks among the ten most visited sites in the Yvelines department. Its integration into the Parc naturel régional de la Haute Vallée de Chevreuse (Regional Natural Park of the Haute Vallée de Chevreuse) adds to its appeal for families around La Queue-les-Yvelines looking for a nature getaway.
Unlike traditional vivariums where you watch animals behind glass, here the butterflies fly right around you. They land on flowers and occasionally on your shoulder. This proximity radically changes the experience.
What awaits you inside
A reconstructed equatorial jungle
The 720 m² greenhouse replicates the climatic conditions of tropical forests in South America, Asia, and Africa. The plants are not just for show: hibiscus, lantanas, and passionflowers provide the nectar that butterflies feed on. Ripe bananas round out their diet. You will also spot Chinese painted quails scurrying along the ground. Their job is to eliminate aphids and parasites without relying on pesticides.
Species to spot
Around 700 butterflies from dozens of species populate the greenhouse. The most striking is the blue morpho, native to Central America, boasting a 15 to 20 cm wingspan and a metallic sheen. Keep an eye out for the owl butterfly, easily identified by the eyespots on its wings that mimic raptor eyes to deter predators. Chrysalides arrive every week from the Philippines, Costa Rica, and French Guiana, hatching right before your eyes in three glass nurseries.
Friendly tip: butterflies are most active in the morning and on overcast days. On very sunny days, direct light hits the glass roof and makes them more reclusive.
The luminescent garden
For the past few years, a new space has extended the visit. Created with Aglaé, a specialist in bioluminescence, this plant-filled garden plunges visitors into darkness. The plants reflect light using a natural principle that researchers plan to use for lighting the cities of tomorrow. The atmosphere evokes the forests from the movie Avatar. The contrast with the main greenhouse is striking.
Who is this visit for?
Children love the interactive aspect and bright colors. An educational trail explains the butterfly life cycle, from caterpillar to imago. Themed workshops are offered on weekends by reservation: building an attractive planter and observing metamorphosis. The greenhouse also hosts birthday parties and school groups.
Amateur photographers will find an ideal setting for macro photography. The uniform lighting simplifies camera settings, even if artistic bokeh takes a bit of inventiveness. Plan for between 1h and 1h30 to fully enjoy the experience. Finish up at the gift shop, which offers souvenirs, educational games, and a small snack area.
Opening hours
Closed from December through mid-February.
The butterflies vary a lot in size, and some are really big. They come in all sorts of colors, too. If you are lucky, some might even land on you. I heard there are little quail living in the greenhouse, but we didn't see them. There is also a small pond where piranhas live, so watch out :)
The atmosphere in the greenhouse is kept at a constant 82°F (28°C) with 80% humidity, so plan on wearing something light!
On your way out, you can see an active beehive behind glass (no risk of getting stung), as well as insects and arachnids in frames. You will see huge stick insects, beetles, tarantulas, and some scary-looking scorpions. Impressive.
Finally, a short video explains how the greenhouse is maintained and how the butterflies are raised.