Blue Stream Fly Fishing
Fly Fishing Report for:

Cimarron - Below Silver Jack Reservoir - Colorado

Hatch Chart - Best Access/Spots - Local Fish - About

Water Flow Chart

Using Water Flow Charts & Weather Reports: Begin with our water flow charts to grasp stream velocity and volume – look for stable or rising trends to pinpoint ideal fishing times. Learn to interpret sudden spikes or drops, which can indicate potential challenges. Next, consult our weather reports to understand ambient conditions. Pairing the two, you can anticipate fish behavior, choose the right gear, and select the best fishing spots. Use these tools together for a holistic approach to your next fishing adventure.

In-Depth Weather

Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January Midges Afternoons #22 - #24 Zebra Midge, Midge Pupa, WD40
February Midges Late Afternoons #22 - #24 Blacks Beetle, Griffith's Gnat, WD40
March Blue Winged Olive Mornings & Evenings #16 - #20 Adams, Quill Gordon
April Midges Afternoons #20 - #24 Midges Pupa, Zebra Midge
Blue Winged Olive Mornings & Evenings #16 - #20 Adams, Quill Gordon
May Caddis Afternoons & Evenings #14 - #18 Elk Hair Caddis, Stimulators
Blue Winged Olive Mornings & Afternoons #16 - #20 Adams, Quill Gordon
June Stoneflies All Day #10 - #14 Nymphs, Big Ugly Dry Flies
Caddis Afternoon & Evening #14 - #18 Elk Hair Caddis, Stimulators
July Drake All Day #10 - #14 Drake Nymphs, Green Drake
Stoneflies All Day #8 - #12 Salmonfly, Stimulator
August Tricos Mornings #20 - #24 Trico Spinner, Trico Duns
Caddis Evenings #14 - #18 Elk Hair Caddis, Stimulators
September Blue Winged Olive Afternoons #18 - #20 Adams, Pheasant Tail Nymph
October Blue Winged Olive Afternoons #18 - #22 Adams, Pheasant Tail Nymph
Midges All Day #22 - #24 Zebra Midge, Midge Pupa
November Midges Afternoons #22 - #24 Zebra Midge, Midge Pupa
Blue Winged Olive Morning & Evening #18 - #22 Adams, Pheasant Tail Nymph
December Midges Afternoons #22 - #24 Zebra Midge, Midge Pupa

While we strive to ensure the precision of our hatch charts, some reflect broader river region insights. Through ongoing partnerships with local guides and fly shops, we’re committed to refining our data. Should you notice any inconsistencies or have feedback, we welcome you to reach out. 

Best Fishing Spots

The Cimarron River, below Silver Jack Reservoir, is a hotspot for fly fishing, providing enjoyable experiences for enthusiastic anglers. Here, are the superb spots. The Point Where Silver Jack Runs into Cimarron:
  • Abundant Rainbow and Brown Trout can be sighted.
  • Noted for its deep pools and powerful currents.
The Big Cimarron Campground Area:
  • Accessible to the public and has good fishing prospects.
  • Diverse water types for different fly fishing techniques.
The Silver Jack Reservoir Tailwater:
  • A popular spot for fall fishing due to its high visibility.
  • Home to many aquatic insects, attracting large trout.
Scenic East Portal Spot:
  • Surrounded by the beauty of the Black Canyon.
  • Offers sight fishing for big trout in summer.
The Just Below Crystal Reservoir Area:
  • A bit challenging due to its terrain but teeming with trout.
  • Most effective techniques include nymph and streamer fishing.

Best Access Points

The Cimarron river below the Silver Jack Reservoir offers plenty of spots to fly fish. Wise selection of fishing spots can greatly impact your catch. Here are the best access points, each offering diverse fly-fishing experiences:

  • Big Cimarron Campground: All along this campground, there are fantastic spots. Anglers will find plenty of Rainbow and Brown trout in this area.
  • Silver Jack Dam: Just downstream of the dam, the water stays year-round cold providing an excellent fishing opportunity for large trout.
  • Base of the Reservoir: The fish are abundant here due to the access to deep water and food sources. Do not disregard this area, the fish often lurk in deeper waters along the edges.
  • Public Water Stretch: Located in the middle of a wildlife area, this stretch of Cimarron river features small rapids and deep pools that attract a number of fish species.

Local Fish

  • Brown Trout: Brown trouts are one of the most popular fish types targeted by fly fishers in Cimarron below the Silver Jack Reservoir. They are known to be natives to Europe and are common in Colorado waters.
  • Rainbow Trout: Rainbows are known for their brilliant coloration and acrobatic fighting skills making them a favorite among anglers at the Silver Jack Reservoir.
  • Brook Trout: Brook trout are popular among anglers for their beautiful color patterns and the thrill they provide when hooked. These fish are native to Eastern North America but are well-established in the Cimarron River.
  • Cutthroat Trout: The Colorado River cutthroat trout is native to the Western Colorado waters and can be found in the Cimarron below the Silver Jack Reservoir.
  • Mountain Whitefish: While not as popular as trout among fly anglers, the mountain whitefish is still a target species on the Cimarron. They are a native species to the cold-water habitats of the Rocky Mountains.
  • Yellow Perch: These brightly colored fish are not commonly targeted by fly fishers, but can provide an exciting catch if encountered.
  • Northern Pike: Although they are not native to Colorado, these aggressive predators can be found in the area and provide a thrilling experience for anglers.
  • American Bullfrog: Although not a fish, this aquatic inhabitant of Colorado’s waters can provide a unique fly fishing experience.

About The River

The Cimarron is a mesmerizing river that sweeps its way through the wilderness below the Silver Jack Reservoir. Emerging from the breathtaking San Juan Mountains, this stream has a rich history. It was named ‘Cimarron,’ a term in Spanish meaning ‘wild’ or ‘untamed.’ Indeed, the wild landscapes and vivacious rapids are a testament to its apt moniker.

In the late 1800s, the surrounding areas became populated due to a silver mining surge, leading to the construction of the Silver Jack Reservoir for water supply and irrigation. While the boom faded, what remains enduring is the area’s natural beauty.

  • Cimarron’s waters are notably clear, with a rich ecosystem, providing an ideal habitat for fish, making it popular among anglers.
  • It’s also a loved spot for hiking, with trails meandering alongside the river, revealing stunning views of alpine flower fields and towering peaks.

Cimarron – Below Silver Jack Reservoir, offers a captivating blend of history and natural splendor that continues to mesmerize visitors year after year.

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