Take the three-day, six-peak Norfolk Land Trust hiking challenge: take a selfie at the top of all six trails, then present the images to win a Land Trust “Icebox of Connecticut” t-shirt. Download the peaks map or pick it up at a WIN information center. The peaks are Dennis Hill Gazebo, Dennis Hill Pavilion, Haystack Mountain, Pine Mountain, East Summit Ridge and Beech Hill. Visit the Land Trust website for trail maps. Ends at 3:00 p.m. Sunday.