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Operation Clean MountainThe warm weather is here, and it's the perfect time to give nature and our beautiful mountains a helping hand! Every gesture counts, and it's thanks to everyone's mobilization that we can preserve the beauty of our landscapes.
As part of the Elsass Osterputz operation, the Syndicat Mixte Markstein Grand-Ballon, in collaboration with the Collectivité européenne d'Alsace, invites you to take part in a morning clean-up of our site on SATURDAY, APRIL 18, 2026 AT MARKSTEIN.
Meet at 9:00 am in front of the Maison du Markstein
Clean-up operation from 9:00 to 11:30 a.m.
Glass of friendship to close the morning
Come along with your family or friends - the more the merrier!
Confirm your participation and specify the number of participants at charge.mission@smmgb.fr
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04/18/2026
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Practical information
Horaires
9h-11h30Departure
Maison d'accueil du MarksteinEvent type
Nature outing -
Tariff
GratuitReservation/Bookings:
Reservation recommended
