Overcast skies today, with hardly a ripple anywhere with a softening glass. Give the seam between weed and open water the first hour at Big Rock Lake. Everything points to the night. Push the good hours hard and rest through the dead ones. Autumn rewards covering water while the fish roam.
The bites are average now
Night
Set in Clackamas County, Oregon, this is Big Rock Lake. Country round the bank runs to dry hill. At 4 acres it is the sort of place you fish for an evening rather than a day. Mulino sits 2 miles from the bank. Beyond it, Molalla at 4.3 miles and Beavercreek at 5.6 miles. Others within reach: Cedar Creek Reservoir after 2.4 miles, Mint Lake about 5.5 miles, Teasel Creek Reservoir after 7.2 miles, Horning Reservoir about 7.4 miles and Mompano Reservoir after 7.5 miles. No border sits close enough to matter.
Open data we checked carries no depth for this water. On a natural lake the weed line and the shelf beyond it do the work. Bays and points beat straight shoreline every time on water like this. Public occurrence data for Clackamas County names Coho salmon, rainbow trout, Chinook salmon, cutthroat trout and smallmouth bass. Protected fish appear in the records for this area, so treat the list as information, not an invitation. Big Rock Lake responds to conditions more than to tactics.
Expect August near 67°F and January near 40°F on the long-run figures. Heat sets the pattern from late spring onward. March through May is the strongest run, with autumn a second stretch. March through May is the strongest run, with October and November a second stretch. Plan any trip to Big Rock Lake around it.
Our records carry no access rule either way. Nothing is mapped in the way of a ramp or car park within a short radius. For the bass here, soft plastics worked slow along cover and a spinnerbait for searching do most of the work. Check locally before you travel, because a wasted drive is a long one. Barbless rules turn up on managed water more often than not. For a change of water, Cedar Creek Reservoir is 2.4 miles distant. Nothing on Big Rock Lake should be assumed from this page alone.
54%
The bites are average 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 |
| 2.5 | 0.6 | 2.8 | 2.7 | 2 | 1.1 | 3.6 | 2.8 | 2.3 | 1 | 2.1 | 3 | 2.5 | 1.7 | 2.5 | 2.7 | 2.7 | 2.7 | 2.6 | 4.7 | 5.4 | 5.5 | 7.4 | 6.8 |
| 46° | 45° | 44° | 43° | 43° | 41° | 40° | 40° | 42° | 46° | 50° | 52° | 54° | 55° | 56° | 56° | 55° | 53° | 52° | 51° | 52° | 52° | 51° | 51° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30.09 | 30.09 | 30.11 | 30.1 | 30.1 | 30.1 | 30.1 | 30.09 | 30.09 | 30.08 | 30.08 | 30.08 | 30.07 | 30.05 | 30.06 | 30.05 | 30.07 | 30.08 | 30.09 | 30.1 | 30.09 | 30.1 | 30.13 | 30.14 |
| 89 | 92 | 91 | 90 | 90 | 93 | 93 | 92 | 89 | 85 | 81 | 79 | 75 | 73 | 71 | 72 | 76 | 80 | 83 | 84 | 85 | 86 | 89 | 90 |
Sam
AI Fishing Assistant for Big Rock 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