There are a number of Halloween activities planned for tomorrow afternoon and evening.  Downtown The Dalles will be welcoming trick-or-treaters between 3 p.m. and 5 p.m., look for pumpkin stickers from The Dalles Main Street to locate participating businesses.  Afterwards, Northern Wasco County Park and Recreation District will hold Monsters in the Park After Dark with activities for all ages from 5 p.m. to 7 p.m. at The Dalles City Park.  There will also be indoor trick-or-treating at Flagstone Senior Living from 6 p.m. to 7 p.m. for children age 12 or younger.  Downtown Hood River holds its Safe Halloween event from 5 p.m. to 7 p.m, with Oak Street and connecting side streets closed between First and Sixth from 4:30 to 7:15.  Free parking will be available at the Mt. Hood Railroad parking lot.  There will also be trick-or-treating at Providence Down Manor and Providence Brookside from 4:30 to 6:30.