Grand Teton National Park boaters should continue to expect impacts to recreational activities, including earlier than normal closures of lake marinas, from the drawdown of Jackson Lake. Due to very low natural flows and the need to supplement downstream reservoirs, the park advises Jackson Lake has been drawn down to levels only seen three times in the last thirty years.
Park concessions with marina facilities, including Grand Teton Lodge Company and Signal Mountain Lodge Company, have modified operations in accordance with lake level changes.
The Signal Mountain and Leek’s Marinas will close for the season on Monday. Meanwhile, the Colter Bay Marina closed for the season on August 14th. Boaters should also anticipate that park boat ramps on Jackson Lake will become unusable as the water level drops.
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