On May 30, 2026, the popular "Day of Nature," organized by Pro Rigi, will take place on Rigi-Kaltbad. This free event invites visitors to discover the rich biodiversity of the "Queen of the Mountains" through expert-led excursions. The diverse program includes topics such as birdwatching, geology, lichens, plants, and even nighttime bat sightings. The excursions will take place regardless of the weather and offer fascinating insights into the natural world surrounding Rigi.