Lock & Dam Protocol
How to Lock-through
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Summer Recreational Vessel Lockage Schedule
Click here for the Summer Recreational Lockage Schedule for the Portland District. The Portland District navigation locks are: Bonneville at River Mile 145, The Dalles at River Mile 191, and John Day at River Mile 216.
Portage of non-motorized recreational craft and other vessels isunsuitable for lockage is the preferred method of transport around dams. Non-motorized craft on the Columbia River may be locked through if moored to a motorized assist vessel. On the Snake River, non-motorized craft may be locked through without an assist vessel when no spill is occurring. For portage information, visit the portage guide.