- August 15: Forgiveness.
- At the House of Bats:
- Guided tours in July and August: Go with a Chiroptérologue, and discover the site of a large breeding colony of Great horseshoe bats installed in the church. A complete discovery of all spaces, the live link-infrared, surprises! ... and more! Information +33 2 97 28 26 31.
- Night of the Bat in July and August: 2:30 discoveries! The Night of the Bat, is first a friendly meeting and super original for the whole family. You will live out of bed several hundred Great horseshoe bats, observe the youths staying at the lodge with the infrared camera, discover a fun way of life of the colony with ultrasonic atmospheres, giant ears, the game Research in the attic ... And finally, watch the surf Murine Daubenton's above the water of the pond Pontcalleck, and listen to their world with ultrasonic bat detectors. Magic!
- Mid-August: The KiroFest (Feast of the Bat): A weekend for them ... with storytelling, exhibitions, Breton games, children's activities, observation of babies, field trips, night walk, hiking, music, refreshments, Information and grilled ... program +33 2 97 28 26 31 or info@maisondelachauvesouris.com
- End of August: European Night of the Bat. Guided tours of the set design, observational infrared camera, night out, and projection picture exhibition, workshops and games for children drawings ... Free.
- The third weekend of September: European Heritage Days. Amikiro associates to help you discover: Notre Dame, guided tours of the museum.