Rock Creek Fishing Report by Blackfoot River Outfitters 8.11.21
By angelamontana

Posted: August 12, 2021



1. Fish early and late. Try a small terrestrial with a thin-bodied nymph as a dropper
2. The early morning or evening streamer bite can be good
3. Bring a thermometer. The water is warm. If it is above 65 deg fish earlier or later. Take care to handle and release fish properly. Call us if you don’t know how. We will give you the run down


The water is low for this time of year with limited precipitation in the forecast. Fishing early and late will be the ticket.

BEST TECHNIQUES – Prospecting with dry flies and nymphing.

Good luck and don’t forget to stop in our Philipsburg shop Flint Creek Outdoors and our NEW JACKALOPE JOE’S espresso bar! We’re open 7:30-5 seven days a week. Be sure to stop in to talk to Josh, grab a coffee, some Orvis gear, and flies from the the best fly selection in the region.


The entire creek is fishing well but the water is getting warm. Invest in a stream thermometer and check temps. It takes literally 10 seconds. If the water is above 65 deg please take care while releasing fish and even better, try fishing earlier or later as water temperatures are safer for the fish.


Hoppers, ants, beetles, craneflies, spruce moths, caddis, yellow sallies, pmd’s, midges, tricos, hecubas


NYMPHS – Pat’s Rubber Legs in black, brown, #6-#10; Pheasant Tail Nymph, #12-18; Pink San Juan Worm #8-10; Hot Bead San Juan Worm Red; Montana Prince tan #12-16, double bead stone black #4, yellow sally nymph #14-16, yellow frenchie #14-16; lightning bug #14-18 DRIES – Purple haze #14-20, yellow sally #14-16, pmd #14-16, hopper #12, ant #16, spruce moth #14 STREAMERS – Sparkle Minnow #6 in Olive; Zonkers #6, 8 in Natural, Olive, or Yellow; Kreelex Minnow #6 in Copper/Gold, Gold/Silver, or Purple/Silver.


Water Flow

267 cfs

Link to Water Flow Graph



Water temperature at mid-day

68 deg.

Water Condition

Low and clear

Best time of day to fish

Early morning and late afternoon into the evening. The water temps are warming up in early evening. Take a thermometer and be sure to be careful fighting and handling in water temps exceeding 65 deg.

Best stretch

The entire creek is fishing well.

Best access point

Upper: Gilles Bridge Lower: Valley of the Moon

Fish species

Cutthroat, rainbow, cutt-bow, brown, bull, some brook trout, and whitefish.

Fishing season

Open year round, but catch and release for trout during winter.

Nearest airport

Missoula International Airport

Recommended fly fishing leader

9′ 3x

Recommended fly fishing tippet

3x and 4x top to bottom bug respectively unless you are swinging streamers then bump up to 2x

Best fly fishing rod

Crisp 9′ 5wt for nymphing but super fun spot to swing streamers with switch rods.