The length of the opilio crab season will vary depending on the catch area. The Alaskan season starts usually in January and lasts about one month or until a certain quota is met. Although it is legal in Alaska to start as early as October. Russia opilio season will start in September through December on a quota system. In Canada the will run from May through August, also on a quota system. If the quota is reached early, the season will be shortened. Alaska, Canada and Russia are the major areas to catch opilio crab.
-Reference.com