Bright moon and an empty sky tonight, with a light chop building from the N and the barometer heading up. On Upper Mumbo Lake, work sheltered bays and points first. The evening should out-fish the rest of the day. Take the steady approach over the searching one. Falling temperatures are switching fish back on.
The bites are poor now
Night
Upper Mumbo Lake is one of the Shasta County listings for California. This is open valley ground. This is a pocket water of some 4 acres, and every part of it is reachable from the bank. The closest town, Dunsmuir, is 12 miles away. The big place round here is Chico, 107 miles distant. The county line is nowhere near, so one local authority covers the water.
No figure exists for depth, so let the water show you. A natural lake fishes on cover, and cover here means weed and timber. This is a lake, so the margins and the first drop matter most. Reported across Shasta County: Chinook salmon, green sturgeon, rainbow trout, brook trout and Sacramento sucker. Several of these carry legal protection or closed seasons; the rulebook comes before the rod. Take Upper Mumbo Lake a stretch at a time.
In an average year August sits at 59°F and December at 31°F. Temperature moves within a narrow band, and so does the fishing. In a normal year the cover is thin and short-lived. March through May is the strongest run, with October and November a second stretch. At Upper Mumbo Lake the season follows that pattern closely.
Ownership and access are not documented in what we hold. A camping area sits within 0.9 miles of here. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Look for a notice board at the entrance. Check whether bait restrictions apply before you buy any. For a change of water, Mumbo Lake is 0.2 miles distant. For Upper Mumbo Lake, the notice at the access point is the final word.
31%
The bites are poor now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 4.4 | 3.8 | 4 | 5 | 5 | 5.1 | 5.3 | 5.7 | 5.8 | 7.1 | 8.2 | 7 | 7.4 | 7.7 | 7.6 | 7.8 | 7.8 | 7.4 | 6.3 | 5.1 | 5.4 | 5.8 | 5.8 | 5.5 |
| 33° | 31° | 31° | 29° | 29° | 28° | 27° | 27° | 29° | 36° | 40° | 43° | 46° | 48° | 49° | 50° | 50° | 49° | 46° | 42° | 39° | 38° | 37° | 37° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 29.89 | 29.91 | 29.92 | 29.94 | 29.93 | 29.95 | 29.96 | 29.97 | 29.98 | 29.98 | 29.96 | 29.97 | 29.95 | 29.94 | 29.93 | 29.92 | 29.92 | 29.93 | 29.95 | 29.98 | 30 | 30.02 | 30.05 | 30.06 |
| 52 | 56 | 59 | 63 | 65 | 68 | 70 | 70 | 68 | 52 | 44 | 41 | 36 | 33 | 31 | 31 | 31 | 33 | 36 | 43 | 48 | 51 | 53 | 55 |
Sam
AI Fishing Assistant for Upper Mumbo Lake
Morning
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time