"bypassed reach" is owned by Chelan County PUD No. 1, the utility which also owns and operates Lake Chelan Dam. In 2009 a different release pattern from the Lake Chelan Dam has allowed the riverbed to hold water again. Natural history Due to the steepness of the Chelan River canyon, anadromous fish were not able to migrate up the river to Lake Chelan even before the dam was built. The lake and the river's upper reach supports various non-anadromous fish species. Columbia River fish have been found in the powerhouse's tailrace. See also List of Washington rivers Tributaries of the Columbia River Video tour of Chelan river. Features drone footage of the Chelan Gorge - amazing views! River at @ 0:56-5:18 References Rivers of Washington (state) Rivers of Chelan County, Washington North Cascades of Washington (state) Tributaries of the Columbia River