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The Story of the failure of the Lawn Lake Dam

Steve Gillette, with A-1 Trash at the time (Mr. Gillette is a past and current Trustee of the Town of Estes Park) was on an unusually early trash pick up at the Lawn Lake trailhead parking lot in Rocky Mountain National Park. He heard the noise, saw the water, and immediately (6:23 a.m.) called Park headquarters to warn them of what he was sure was the result of failure of the Lawn Lake Dam ii.

Origina Lawn LakeT1S02.JPG (101992 bytes) Hikers at Lawn LakeT1S03.JPG (157842 bytes) Lawn Lake Dam Break with copterT1S80.JPG (140561 bytes)
The original Lawn Lake. The dam is at the far (southeast) end. Click images to enlarge. Hikers on the shore of Lawn Lake just north of the dam with Hagues Peak behind them. The breach in the dam observed by a helicopter passenger with another copter at the dam.

Roaring River DrainageT1S78.JPG (143156 bytes) BW Roaring River CutT2S03.JPG (130141 bytes) alluvial fan.JPG (144024 bytes)
An aerial view of the Roaring River channel after the flood. A close up example of the scouring of the Roaring River channel. Click images to enlarge. The alluvial fan deposited at the bottom of the Roaring River channel just above Horseshoe Park and the junction with Fall River.

Lawn Lake, Page 2

ii Sadness in Sunshine “The Flood of Estes Park” Hank Pederson, Jr. 1995.