Print it. Bag it. Bring it.Phones die, screens crack, and most of this water has no signal. Print this map, fold it into a zip-top bag or dry bag with your license, and you have a backup your electronics can’t give you. Every marker is numbered so you can say exactly where you are.
| # | Point | Type | Lat, Lon | Notes |
|---|---|---|---|---|
| 1 | Green Mountain Dam Bureau of Reclamation · head of the tailwater | Dam / hazard | 39.87720, -106.33080 | Releases from Green Mountain Reservoir set the flow; the tailwater fishing starts immediately below. |
| 2 | USGS 09057500 — Blue River below Green Mountain Reservoir Immediately below the dam | USGS gauge | 39.88026, -106.33392 | The gauge the water page reads for flow. |
| 3 | Spring Creek Road bridge Summit County | Bridge crossing | 39.92303, -106.34787 | The only mapped crossing in the canyon reach below the dam. |
| 4 | Griggs Dam Diversion structure | Dam / hazard | 39.99865, -106.38174 | Named diversion dam on the lower river above Kremmling; scout before running it. |
| 5 | Trough Road bridge Grand County · CR 1 | Bridge crossing | 40.02897, -106.38681 | Bottom-end crossing before the Blue meets the Colorado at Kremmling. |
Gauge: USGS 09057500 — BLUE RIVER BELOW GREEN MOUNTAIN RESERVOIR, CO. Live flow on the web page.
Species: Brook Trout, Brown Trout, Cutthroat Trout, Kokanee Salmon, Mountain Whitefish, Rainbow Trout
Regulations: cpw.state.co.us/rules-and-regulations
Emergency: call 911 and give the number of the nearest point on this map plus its coordinates.
Green Mountain Dam below-dam access at the USGS gauge - the release reference and the head of the fishable reach.
Blue River State Wildlife Area - the main block of public wade access below the dam.
BLM parcels along the lower canyon - walk-in access between private ranch frontage.
Highway 9 pullouts between Green Mountain and Kremmling - roadside access to the lower reach.
Kremmling and the Colorado River confluence - the downstream end and a common float take-out.
Green Mountain Reservoir ramps - trailer access to the impoundment above the tailwater.
Spring Creek and Cataract Creek confluence areas - tributary mouths and walk-in access points.
Spring: high, cold and often unfishable during runoff and reservoir fill; the canyon is dangerous at peak release.
Summer: heavy irrigation releases keep the river big; wade with care and fish the edges and pockets.
Fall: releases drop in September and October, the kokanee run out of the reservoir, and the big browns feed hard.
Winter: low steady release and cold clear water, with technical but pr