A still, cloudless night on the water, with a working W breeze and pressure going nowhere. Whatever swims in Upper Cathedral Lake should be near bays that hold the day's warmth. A broad window opens from morning through afternoon. Commit to the pattern once the first fish shows. Falling temperatures are switching fish back on.
The bites are excellent now
Night
Upper Cathedral Lake sits within Sublette County in Wyoming. The country round it is mixed forest from end to end. This is a pocket water of some 12 acres, and every part of it is reachable from the bank. By elevation it is in the upper part of our Wyoming listings. For a base, Fort Washakie sits 19 miles out. Beyond it, Lander at 22 miles and Ethete at 24 miles. The nearest boundary is a fair way off.
Our records carry no depth, so judge it from the bank. Where the bottom changes texture, fish gather; find that line. The shallow end warms first and pulls fish in ahead of the rest. Open biodiversity records for Sublette County list brook trout, rainbow trout, brown trout and lake trout. Records at county level tell you what is around, not what is stocked here. The shape of Upper Cathedral Lake decides where the fish sit.
Averages here run 50°F at the top of summer and 16°F at the bottom of winter. A hard winter is normal, and the thaw brings a strong few weeks. Once it clears, about early June, the fishing comes on quickly. On average, early June opens the water and early November closes it again. The strongest runs come at either end of the open season. That is the shape of the year on Upper Cathedral Lake.
Nothing we hold confirms whether access is permitted. No launch point is recorded nearby, so this is a bank water unless you carry a boat in. For the trout, small spinners and a box of nymphs cover both approaches. Check whether a boat is allowed before you tow one. A polite question at the farm gate opens more banks than anything else. Mendarrin Lake at 0.9 miles is the sensible second choice. Confirm before you fish Upper Cathedral Lake.
81%
The bites are excellent 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 |
| 6.4 | 8.2 | 8.6 | 9.3 | 11.9 | 12.4 | 11 | 10.9 | 10.4 | 9.3 | 9.3 | 8.2 | 9.8 | 11 | 11.2 | 12.2 | 11.9 | 11.5 | 10 | 8.6 | 8 | 8.1 | 8.4 | 9.6 |
| 41° | 41° | 40° | 41° | 41° | 41° | 41° | 42° | 43° | 48° | 52° | 55° | 57° | 59° | 60° | 60° | 59° | 59° | 57° | 53° | 50° | 48° | 47° | 47° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30.16 | 30.16 | 30.16 | 30.16 | 30.14 | 30.14 | 30.15 | 30.14 | 30.15 | 30.15 | 30.13 | 30.11 | 30.1 | 30.07 | 30.05 | 30.03 | 30.02 | 30.02 | 30.03 | 30.04 | 30.07 | 30.07 | 30.07 | 30.07 |
| 41 | 42 | 42 | 41 | 42 | 43 | 47 | 47 | 42 | 37 | 25 | 23 | 20 | 18 | 20 | 21 | 22 | 23 | 27 | 30 | 32 | 34 | 36 | 37 |
Sam
AI Fishing Assistant for Upper Cathedral Lake
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Best bite time
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Best bite time
Best bite time