Firefly Sessions 2024

A musical walk between the fireflies in the Sonian Forest
From Monday the 17th until Friday the 21st of June 2024


As darkness sets over Brussels, male fireflies hit the forest looking for mates. They blink their beaming bellies as they fly around and before long they have synchronized with their neighbors. This bioluminescent mating dance peaks for just a few nights a year.

With musician-biologist Raphaël De Cock, the Belgian firefly specialist, we invite you to a musical stroll through the Forêt de Soignes. Between an intimate concert and a moment of nature observation, the “firefly sessions” are a magical and unforgettable moment. The tour includes explanations about fireflies, moments of very quiet acoustic music orchestrated by Raphaël De Cock and a surprise guest, and ends with the observation of fireflies, which only appear at sunset.



The festival is sold out.

After booking & payment, you will receive the official ticket via e-mail. Please take it with you printed out or on your smart phone on the day of the festival. If there are weather concerns that would cause our staff to cancel this event, we will reach out by email by 6 pm the day of your event to let you know. Please check your email before leaving for this event.


Bring with you good shoes or boots, something to sit on and something to cover yourself with in case of rain. We will walk +-4 km following a path which is not accessible with a vehicle. After confirmation of payment you will receive the exact address of the meeting point by e-mail. The departure is in the municipality of Watermael-Boitsfort. The group departure is at 8.15 pm precisely, we will not wait for latecomers. The activity ends at about 11.30 pm.


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