Washington County Conservation is hosting their annual Halloween Hike Saturday, October 22nd from 6-9p.m. at Marr Park. Those who hike will learn about tails of the night with games and goodies along the way. The hike ends at the Conservation Education Center where families are invited to enjoy refreshments and a Halloween movie outside. The hike begins at 6p.m. with the last group taking the trail at 7:30p.m. The movie begins at 7:30. For more information call 319-657-2400.