Flathead Lake


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2,886.85 FEET
Full Pool: 2,893.0
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Flathead Lake News

‘The most beautiful film festival in the world’

Daily Inter Lake

Date: 1/19/2017 8:19:00 PM

January 19, 2017 at 5:00 am | By BRETT BERNTSEN This Week in the Flathead The fifth annual Flathead Lake International Cinemafest kicks off this weekend in Polson with a large offering of local films. This year’s schedule features more than a dozen

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Anaconda family to take in Women’s March on Washington

The Montana Standard

Date: 1/19/2017 4:48:00 PM

“I’m going because something hit me the other day helps me articulate it a little bit more,” said Mickey Hanson, who spends summers on Flathead Lake. “If you’re silent and think that things will turn around and think they will be equal and just

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Bringing the Silver Screen to Polson


Date: 1/19/2017 12:09:00 PM

About five years ago, a group of film-lovers at the south end of Flathead Lake was thinking of ways to energize the sleepy community of Polson during winter, something to brighten those gloomy days of January. In 2013, the group found its answer in the

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Fishing through the decades

Hungry Horse News

Date: 1/18/2017 7:21:00 AM

The Montana Fish and Game never did sponsor legislation to ban floating and fishing. Instead, they came up with the idea of introducing mysis shrimp in Flathead Lake to increase fish population. We all know how that worked out, the kokanee salmon

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Saving Montana waterways: Invasive mussel crackdown

The Montana Standard

Date: 1/18/2017 12:54:00 AM

In western Montana, samples taken from the Bitterroot River and from Como and Painted Rock lakes tested negative, and results are pending on the 117 samples taken from sites around Flathead Lake. In the meantime, the Confederated Salish and Kootenai Tribes

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9:13:16 PM
11/23/2017 - Thanksgiving
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• River: Flathead River
• Length: 161 Miles
• Surface Area: 122,560 Acres
• Volume: 1,200,000 Acre Feet
• Drainage Area: 7,086 Square Miles
• Average Depth: 165 Feet
Flathead Lake is the largest natural freshwater lake west of the Mississippi River in the contiguous United States, taking Red Lake (Minnesota) and Lake of the Woods to be north of the Mississippi River, rather than west of the river. With a surface area of between 191.5 sq mi and 197 sq mi, Flathead Lake is slightly larger than Lake Tahoe. The lake is a remnant of the ancient, massive glacial dammed lake, Lake Missoula of the era of the last interglacial. Flathead Lake is 27.3 mi long and up to 15.5 mi wide. Flathead lake has a maximum depth of 370.7 ft, and an average of 164.7 ft . This makes Flathead lake deeper than the average depths of the Yellow Sea or the Persian Gulf. Polson Bay, at the lake's outlet was raised 10 ft by Kerr Dam. It is one of the cleanest in the populated world for its size and type.

Located in the northwest corner of the state of Montana, 7 miles south of Kalispell, it is approximately 30 miles long and 16 miles wide, covering 191.5 square miles, making it approximate in size to Minnesota's Mille Lacs Lake and half the area of San Francisco Bay (main bay). Flathead Lake is 30 miles southwest of Glacier National Park and is flanked by two scenic highways, which wind along its curving shoreline. On the west side is U.S. Route 93, and on the east, is Route 35.

The lake is bordered on its eastern shore by the Mission Mountains and on the west by the Salish Mountains. The Flathead valley was formed by the glacial damming of the Flathead River and sustains a remarkably mild climate for a region located this far north and inland; the Pacific Ocean is almost 400 miles to the west. The mild climate allows for cherry orchards on the east shore and vineyards for wine production on the west shore. There are also apple, pear, and plum orchards around the lake as well as vegetable, hay, honey, nursery tree, Christmas tree, sod/turf, and wheat production bordering or near the lake.
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