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Grey Reef


Grey Reef is a tail water of the North Platte River off Grey Reef Dam below Alcova Reservoir.  This tail water stays open and fishable year round with winter flows around 500 CFS and high water flows during run off and flush up to 6000 or 7000 CFS each year. Known for its opportunity for big browns and rainbows this is a stretch of water every angle should fish at least ones in there life. With several access bank fishing is available but many stretches are only fishable while floating the river.

Most up to date flows can be found here:
BOR flows at Gray Reef Dam

Location and Directions

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Recent Reports

Good or greatGray ReefNorth Platte RiverWyoming

Gray Reef 6/7/2021

The fishing is Good right now, the upper end is clear and the lower end is off color. The fish are sitting in the faster runs and on shelfs feeding then going a little deeper as the heat comes up.   Flow Rate: 485-500 cfs Current Flow Rate Best Flies: Midge and Baetis patterns (PMD, BWO, Black, Purple), San Juan Worms, Rock Worms, White Sucker Eggs Best Lures: Copper and Silver Colors
June 7, 2021
Good or greatGray ReefNorth Platte RiverWyoming

Gray Reef 5/29/2021

The fishing is Good, water is clear and fish are holding in the fast water seams and on shelfs.   Flow Rate: Holding steady at 450 cfs Current Flow Rate Best Flies: Lots of Baetis and Midge patterns, Rock Worms, and  San Juan worms Best Lures: Gold and Copper colors are doing well
May 30, 2021
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