(Newport, OR) -- Gray whales are starting their trek north from the Baja Peninsula to the Gulf of Alaska. Tuesday marks the start off Spring Whale Watching Week along the Oregon Coast. Oregon State Parks has 17 locations at viewpoints where volunteers will be available to help show you what to look for. Eighteen-thousand whales take part in the migration. The Whale Watching Center in Depoe Bay is open from 10 a.m. to 4 p.m. with interactive whale exhibits and views to watch for the whales. The Oregon State Parks website has a list of viewpoints where volunteers are located.