Friends of Nike Site Summit (FONSS) invites the public to tour historic Site Summit in Arctic Valley this summer. The tour dates are: a dinner/tour fundraiser the evening of Wednesday, June 20; a hiking tour limited to 20 people on Saturday, July 21; and morning and afternoon tours on Sunday, Aug. 5 and Saturday Aug. 18. Bus seats on the Aug. 5 and Aug. 18 afternoon tours are extremely limited due to advance registrations, but the other tours have ample room for more participants.