Complete Guide to Fishing Beaver Lake, Colorado (Tips, Species & Best Times)

Fishing at Beaver Lake in Colorado is one of the best outdoor experiences for anglers, hikers, and families who love nature. Whether you are looking for a peaceful spot to cast your line, planning a weekend trip to Marble, or chasing Colorado’s famous trout, Beaver Lake Fishing offers something for everyone.

This guide covers everything you need to know about fish species, best times to visit, water temperatures, fishing techniques, permits, and even a map to help you plan your trip.

Overview of Beaver Lake, Colorado

Location: Beaver Lake is located just outside the town of Marble, Colorado, in Gunnison County. It sits at an elevation of about 7,950 feet in the Elk Mountains, surrounded by forested hillsides and dramatic mountain views.

Size & Depth: The lake covers roughly 10 acres and reaches a depth of about 30 feet at its deepest point. While small compared to major Colorado lakes, its alpine setting makes it an excellent fishing destination.

History:

• The Town of Marble manages the lake with support from Colorado Parks & Wildlife (CPW).
• Historically, Beaver Lake was used as a water reservoir for Marble but has since become a popular recreational area.
• Today, it’s stocked regularly with trout, making it a reliable fishing spot for locals and tourists.

What Fish Are in Beaver Lake?

When anglers ask about Beaver Lake fish, the most common answer is trout. The lake is stocked several times a year, ensuring good catch rates for both beginners and experienced anglers.

Common Species in Beaver Lake:

Rainbow Trout

• Most frequently stocked fish.
• Average size: 10–14 inches.
• Best caught with worms, Powerbait, or small spinners.

Brook Trout

• Native to cold mountain streams.
• Often smaller (8–12 inches) but aggressive feeders.
• Fly fishing with dry flies works well.

Cutthroat Trout

• Occasionally stocked.
• Colorado’s state fish, valued by fly anglers.
• Catch-and-release recommended in some areas.

Brown Trout (less common)

• May enter from nearby streams.
• Larger and more challenging to catch.

 If you are planning fishing in Beaver Lake expect a good chance of landing rainbow and brook trout on almost any day of the season.

Best Fishing Seasons & Water Temperature Guide

Since Beaver Lake is an alpine lake, seasons play a major role in fishing success.

Spring (April–June)

• Ice melts by late April or early May.
• Stocking usually begins in spring.
• Water temperature: 40–55°F.
• Trout are active near the surface.

Summer (July–August)

• Peak fishing season.
• Water warms to 55–65°F.
• Fish move deeper during hot afternoons.
• Early morning and evening are best times.

Fall (September–October)

• Cooler temps make trout more aggressive.
• Fewer crowds, stunning fall colors.
• Great for fly fishing.

Winter (November–March)

• Ice fishing is possible when the lake freezes over.
• Safety is essential (check ice thickness).
• Trout feed less actively but can still be caught with jigs and bait.

Knowing the water temperature at Beaver Lake is crucial. Trout bite best between 50–65°F. You can check CPW or local fishing reports for updates before heading out.

Fishing Techniques (Shore, Boat, Fly Fishing, Bait)

Beaver Lake has small sizes, making it versatile; you can fish from the shore, use small boats, or try fly fishing in nearby creeks.

Shore Fishing

• Best for beginners and families.
• Cast from the north and west shores.
• Use worms, salmon eggs, or Powerbait for rainbow trout.

Boat Fishing

• Non-motorized boats (kayaks, canoes, float tubes) are allowed.
• It gives access to deeper sections in summer.
• Try trolling small spinners or Rapala lures.

Fly Fishing

• Great in Beaver Creek (which feeds the lake) and nearby streams.
• Dry flies in summer (caddis, mayflies).
• Nymphs and streamers work well in deeper water.

Recommended Baits & Lures

• Powerbait & Worms: reliable for stocked rainbow trout.
• Small Spinners: (Mepps, Panther Martin).
• Flies: elk hair caddis, Adams, woolly buggers.
• Salmon Eggs: effective for brook trout.

Tip: The early morning and late evening are the most productive times, especially during the summer.

Rules, Permits & Regulations

The Town of Marble and Colorado Parks & Wildlife manage fishing at Beaver Lake. Always check current regulations before fishing.

General Rules:

• A valid Colorado fishing license is required for anyone 16 years or older.
• Daily bag limit: usually 4 trout per person (check CPW for updates).
• Only artificial flies and lures may be allowed in certain areas—bait is legal in Beaver Lake but not always in nearby creeks.
• Non-motorized boats only.
• Respect private property signs around the lake.

 Licenses can be purchased online from CPW or at local shops in Marble and Carbondale.

Beaver Lake Fishing Map:

While we can’t embed an interactive map here, here’s a general layout of Beaver Lake fishing spots:

• North Shore: Best for shore anglers, good access near parking.
• West Side: Shaded areas, good for fly fishing.
• South Inlet (Beaver Creek): Excellent for brook trout and fly fishing.
• Central Lake (boat access): Deeper water, good for trolling in summer.

 Pro Tip: Download offline maps before heading out cell service in Marble is limited.

 FAQs About Fishing Beaver Lake

Final Thoughts

Whether you’re a weekend angler or an experienced fly fisherman, fishing Beaver Lake is a must-do Colorado adventure. With stunning mountain scenery, reliable trout stockings, and easy access from Marble, the lake is perfect for a family outing or a solo fishing trip.

From rainbow trout on PowerBait to fly fishing in Beaver Creek, this alpine gem has plenty to offer. Just remember your license, follow the rules, and check the water temperature before heading out.

 If you’re planning a Colorado fishing trip, make sure Beaver Lake fishing is on your list; you won’t be disappointed.