The Kennebec is runnable throughout the season from late April to October.
Daily releases mean there is always enough water.
Water releases on the Kennebec vary from 4,500 cfs to 6,500 cfs. The Penobscot is runnable throughout the season from late April to October. Daily releases mean there is always enough water. Water releases from 1,500 cfs to 3,600 cfs are considered normal for the summer months. The Dead river is dam controlled and released at high levels only at certain times during the rafting season.