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Fishing Crater Lake #1, Upper: what the data says
7-acre lake near Gilpin County. The lake tops out around 58 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
Cutthroat Trout fishing at Crater Lake #1, Upper
In spring, cutthroat trout run shallow here, mostly 3 to 15 ft. They move out to 10 to 35 ft in summer and finish the year down in 10 to 40 ft. The spot to know is Shoreline break, a drop-off in about 26 ft of water that rates prime for cutthroat trout in summer. In summer the feeding windows fall in early morning and the evening. Tie on a trolled spoon (small) or a inline spinner and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Small jigging spoon, Marabou jig |
Notable structure
- Deep basin: deep basin, around 49 ft
- Shoreline break: drop-off, around 26 ft
- Shallow bay flat: weed flat, around 6 ft
Common questions
How deep is Crater Lake #1, Upper?
Crater Lake #1, Upper is about 58 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Crater Lake #1, Upper?
Anglers target cutthroat trout on Crater Lake #1, Upper.
Where is the best fishing spot on Crater Lake #1, Upper?
Shoreline break is the top-rated area: a drop-off in about 26 ft of water that rates prime for cutthroat trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Crater Lake #1, Upper?
For cutthroat trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Bob Lake · Woodland Lake · Diamond Lake Upper · Meadow Creek Reservoir · Barker Reservoir · Monarch Lake
See how Crater Lake #1, Upper stacks up: best cutthroat trout lakes in Colorado
Browse all Colorado fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.