The Rotary Club of Niwot Foundation Share: Nonprofit The Rotary Club of Niwot Foundation Visit Website Request Info PO Box 20 Niwot, CO 80544 303-570-1112 About Map About We are a morning club that meets in Niwot at the Left Hand Grange on 2nd Avenue on Thursdays from 7:30-8:30 am. We are passionate about service to and in our community. What's Nearby? Distance: 5 10 15 20 25 50 mi.