Make sure there is a mooring ring or similar device on your boat to tie the mooring line to. If a large craft is leaving the lock and is headed in your direction, stay clear of departing craft. Vessels equipped with marine VHF-FM Channel 14 should use the appropriate call sign. The locks along this import/export gateway are also open to recreational boaters, with a recreation-priority lock schedule in effect mid-May through mid-September. Options for Moderate (Intermediate) Paddlers, Safe Travel Through a Notched or Overtopped Back Channel Dike. One long blast (4 to 6 seconds) means: Enter Lock. They mark the river's navigable channel. To raise the level of the water in the lock and the vessel with it, water from the upper pool is allowed to flow by gravity into the lock through valves until it fills the lock to the same level as the upper pool. Click to learn more. Always wear a life jacket on deck. Don't leave motor of craft running during lockage. All Corps navigation locks on the Columbia River are temporarily closed from March 7 - 22 for regularly scheduled annual inspections, preventative maintenance and repairs. Pull the cord to signal the lock operator. When the lock doors began to open inward, I paddled through them, awed by the scale of a dam and the engineering feat of holding back so much water, generating power, and allowing smartasses in canoes to pass through routinely, no big deal. Please carry aboard at least 50 feet of mooring line in your vessel to lock through. This will require a person at each end of the boat to pay out or take in mooring lines as the water level changes. A lock can be thought of as an elevator to carry a vessel up or down from one pool to the next. Traffic signal lights guide you at all navigation locks on the Ohio and Kanawha rivers. The Secretary of the Army has ordered the U.S. Army Corps of Engineers to pass vessels through the locks in the following order: (a.) Canoes & kayaks may lock any pleasure craft through the locks on the McClellan-Kerr Arkansas River Navigation System. For more information got to the US Army Corps Little Rock District site: http://www.swl.usace.army.mil/navigation/lock.html. In the Lock Chamber. Be safe! The lock operator may, in addition to the traffic lights, signal you with an air horn. The upstream miter gate is then swung open and the vessel moves out into the upper pool. They mark the river's navigable channel. The operator must wear a Coast Guard-approved PFD, known as a personal floatation device, at all times and remain seated when the craft is not in motion. One long blast means enter the lock; one short blast means exit the lock. On a down river approach, a dam is difficult to see. Use fenders to save damage to your boat and to lockwalls. The mission of the U.S. Army Corps of Engineers is to deliver vital public and military engineering services; partnering in peace and war to strengthen our nation’s security, energize the economy and reduce risks from disasters. Safety first: Safety is the prime consideration when locking any type of recreational vessel through a lock. The lock operators have been given the same authority over your boat in the lock as traffic policemen have over your car at intersections. To move a vessel from a higher elevation pool to a lower one, the procedure is reversed. Turbulent water is created during lockage. These areas are hazardous for small craft because of dangerous currents. Vessels owned by the U.S. Government. The locks along this import/export gateway are also open to recreational boaters, with a recreation-priority lock schedule in effect mid-May through mid-September. Do not approach the dam. Lock operator instructions: Please follow all directions from the lock operator when using the locks or operating in the vicinity of the locks. Currents are strong in this area, and your boat may be drawn into or under the gates. To move up the waterway from a lower elevation pool to a higher one, a vessel enters the lock chamber at the lower level with the upstream gate closed; the downstream gate closes behind the vessel after it has entered the lock. Vessels desiring lockage shall on approaching the lock give the following signal at a distance of not more than one mile from the lock: one long blast of the whistle followed by one short blast. Commercial vessels and government contract vessels take precedence between September 15 and May 15. First try channel 16, then work through channels 14, 13 and 12 until you get an answer from the lock operator. Keep away from the head of barges moored along the shore. It takes about 15 minutes to fill or empty a lock chamber. "NO BOATING" areas have been established immediately upstream and downstream of the Dam. The lock operator will, in addition to the traffic lights, signal you with an air horn. They mark the river's navigable channel. Keep away from the stern of passing tows. Tie off your boat to a floating mooring post; do not tie it to a ladder or any other fixed structure within the lock. This is particularly true if large craft are about to leave the lock and are headed in your direction. DO NOT ENTER! Safe recreational lockage through John Day Dam. The mission of the U.S. Army Corps of Engineers is to deliver vital public and military engineering services; partnering in peace and war to strengthen our nation’s security, energize the economy and reduce risks from disasters. Steer your vessel directly towards the lock. Stay between red and green buoys. Lock operator has final authority on the suitability of a craft for lockage. Do not approach the spillway sections of the dam. The order of passage through the lock is at the discretion of the lock operator. It will not be necessary for the lock operator to handle the craft line. Canoes & kayaks may lock any pleasure craft through the locks on the McClellan-Kerr Arkansas River Navigation System. In an emergency, you could be notified to quickly release your vessel from the mooring bit. Do not tie up to a ladder. Fast speeds endanger your own boat, other craft, and the lock gates. Lock operators have been given the same authority over your boat in the lock as traffic policemen have over cars at intersections. Be prepared to cast off your mooring line quickly in case of emergency. Tows cannot be maneuvered to change course quickly. Be "dam" conscious! Lock operators can also be contacted by phone. The Corps’ Portland and Walla Walla districts maintain about 350 miles of the federal navigation channel from Portland, Ore. to Lewiston, Idaho. Lock operator has final authority on the suitability of a craft for lockage. Position your vessel so the mooring bit is amidship.

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