Thanks for booking. Treetop tours will operate even if its raining. Please ensure you check-in regardless of weather. In case of severe weather and the tours cannot depart Boler Mountain may delay or cancel the tour. Note harness limitations - harnesses are universal and can accommodate most people up to 275 lbs. For smaller kids (under 75lbs) please reserve If you are unsure if you qualify we suggest you come out for a harness fitting before booking.