Mammoth Pool Reservoir Fishing Report | June 23, 2025
The report at a glance
Presentation
At Mammoth Pool, work trolling spinners slowly and cover water thoroughly. At Collins, trolling spoons and soft plastics did the job. For Folsom kings, focus on precise depth control with downriggers.
Lures and baits
Uncle Larry's spinners teamed with worms at Mammoth Pool. Collins fish came on Trigger Spoons and Trix Minnows. Small shad pattern lures are the call for Folsom's landlocked kings.
Advice for this week
Expect hit or miss action at Mammoth Pool depending on timing, so work your spinners slow and thorough. Collins is a great potluck lake right now. Troll for trout for a while, then target panfish, catfish, and bass with the same crew.
Next week
Cal has more trips lined up for the coming week. Mammoth Pool is worth another look when the timing is right, and Collins should keep offering a fun mixed bag for anglers willing to chase warm water species alongside the trout.
Notable catch
Mammoth Pool gave up about six trout.
Trout fishing was slow at Mammoth Pool Reservoir the week of June 23, 2025, with about six fish on Uncle Larry's spinners tipped with worms. Nearby Collins Lake gave a slow to fair trout bite on Trigger Spoons and Trout Trix Minnows, plus lightning trout to about 5 pounds and good potluck action for panfish, bass, and catfish.
How is the fishing at Mammoth Pool Reservoir?
Slow this trip despite the lake's reputation for good action. Cal Kellogg landed about six trout, with Uncle Larry's spinners tipped with worms the hot ticket. It is a beautiful Sierra National Forest lake that fishes hit or miss depending on timing, so cover water thoroughly.
What is biting at Collins Lake right now?
Trout action is slow to fair, with fish coming on Trigger Spoons and Trout Trix Minnows. Cal also picked up bluegill, bass, and catfish, plus lightning trout up to about 5 pounds. It is a great spot for mixed potluck fishing right now.
What lures are working at Mammoth Pool and Collins?
At Mammoth Pool, Uncle Larry's spinners tipped with worms produced the fish. At Collins Lake, Trigger Spoons and Trout Trix Minnows are drawing trout, and soft plastics or spoons work well for the aggressive lightning trout.
How should I fish Folsom Lake for landlocked kings?
Cal discussed downrigger fishing for landlocked kings at Folsom. Focus on precise depth control with downriggers and small shad-pattern lures. No specific Folsom conditions were reported on this trip, since it came up as an instructional topic rather than a fished venue.
What is the outlook for these Sierra lakes?
Mix trolling for trout with targeting warm-water species for a productive day. Expect hit or miss timing at Mammoth Pool. Collins Lake is a good bet if you want to troll for trout for a while, then target panfish, bass, and catfish.
Watch the full report
Mammoth Pool Reservoir June 23, 2025 FAQ
A specific depth was not specified in this report. The bite was slow, so cover water and work your spinners thoroughly.
Cal reported lightning trout up to about 5 pounds over the week. They are aggressive, so try spoons or soft plastics.
Uncle Larry's spinners tipped with worms produced about six fish on this slow trip.
Along with trout, bluegill, bass, and catfish are available for potluck fishing.
Use downriggers for precise depth control and small shad-pattern lures. No specific Folsom conditions were reported in this trip.
Capt. Cal Kellogg.
