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Lake: Gross Reservoir
Fish: Kokanee

Fall Update

Post By: Tom187      Posted: 10/11/2018 10:11:13 PM     Points: 220    
Went here last weekend and did not see any kokes yet. The water wasn't that cold yet so prob why. Did see a 3ft pike swimming around the shoreline looking for food. Was there for a couple hours late afternoon and didnt even get a bite on a panther martin I was throwing.

Planning to go back this weekend to check it out again. Has anyone fished for kokes here during the fall run and have been successful?
 Reply by: Kev-o      Posted: 10/11/2018 11:01:39 PM     Points: 60813    
Not pike, tiger muskie would be my guess. Try again this weekend for kokes. Swimbait for tigers but as far as Kokanee I cannot help you. Best of luck. Pink fly perhaps?
 Reply by: Hawaiian Punch      Posted: 10/12/2018 5:43:02 AM     Points: 7235    
I used to sight snag Kokes in the creek coming into Gross.The Kokes would try to run up stream to spawn,but due to low water levels they would only go a short ways up the creek,then you can find them resting in slow water behind boulders.I use a trebble hook and split ring on the end of a long heavy one piece rod,polarized sun glass's really help find em.
Waders are a must!
 Reply by: not too old to fish      Posted: 10/12/2018 9:37:38 AM     Points: 5229    
H-P I assume you no longer snag in the creek, I believe that's illegal now and I know you would never intentionally break the law. I used to snag kokes in the Blue River above Green Mountain many years ago when it was legal and that was a lot of fun. Not allowed any more and with the decline in the Koke population wouldn't be very productive anyway.
 Reply by: Tom187      Posted: 10/12/2018 6:57:51 PM     Points: 220    
@Kev-o, thanks for the info! Is there a specific reason you are recommending to try again this weekend? I imagine the colder temps might be the biggest factor in possibly seeing them. If I make it out there I will update you all.

@Hawaiian Punch, good to know kokes have indeed been caught at Gross. Great tips also so thank you. It's interesting to know how they swim upstream when the water is low. I read somewhere on CPW that kokes run at Barker Reservoir and if you've ever been there recently, the water level on the main reservoir is several feet lower than the inlet. Theres also a wall in between. If the kokes just all congregated in front of that wall, it would be a prime spot to catch'em!
 Reply by: Gloplug      Posted: 10/15/2018 12:29:29 PM     Points: 85    
The following info was on the Gross Res Expansion Project update. It says "may" close. Does anyone know for sure?
As early as Oct. 1, 2018 (close of boating season as mandated by the Federal Energy Regulatory Commission), Denver Water may close the south side of the reservoir to prepare for on-site activities. This closure would continue through construction.
 Reply by: Hawaiian Punch      Posted: 10/15/2018 1:03:58 PM     Points: 7235    
Let me explain a bit better,I'm talking about snagging kokes out of the creek back in the late 70s.I stopped going up there long before they changed the rules.The only reason I started going up there was a rumor that the DOW had a load of kokes for some other lake,but they had to dump them at Gross for some reason. I know back then,people would snag for kokes on the south side of the lake where the road goes down into the water.
 Reply by: 3wayfisha      Posted: 10/15/2018 6:08:11 PM     Points: 247    
For sure was a tiger muskie. To my knowledge kokes really dont do that well in Gross because of a lot of gill lice that affects the population. Honestly Ive never seen very good pods up there (past few years) when trying to fish the run & go to other reservoirs instead when targeting spawning kokes.

However fishing with egg pattern flies can be lights out fun fishing up there around this time!
 Reply by: not too old to fish      Posted: 10/17/2018 10:31:34 AM     Points: 5229    
H-P that sounds like it was a lot of fun back in the day. Not trying to be too critical of you as I said in my previous post just didn't want anyone getting the idea that snagging in the creek was OK. I enjoy your posts keep up the good work.
 Reply by: Hawaiian Punch      Posted: 10/17/2018 3:51:34 PM     Points: 7235    
Not too old . . .it was a nice way to get a limit of kokes,and if you took your time you could snag each fish in the head and not waste any meat.Only problem was I parked on the south side and walked all the way to the inlet.Never knew there was another way in.
B.T.W. . . . .don't cut through on the train tracks . . .never know when a train may pass through.