Upper Emerald Lake Fishing in San Mateo County, California

• Overview

  Set in San Mateo County, Upper Emerald Lake is a California water. The sea is 4.9 miles distant. At roughly 4 acres, the whole thing is within casting reach of a single walk. Ground here is low by California standards. Emerald Lake Hills sits 0.6 miles from the bank. Woodside is 2.1 miles and Redwood City 2.2 miles. Being near a boundary, it pays to know which side you are fishing.

• Where to Fish on Upper Emerald Lake

  We hold no depth figure for this one. Inflow corners move water, and moving water gathers fish. The old creek line under the surface is the feature worth finding. Open biodiversity records for San Mateo County list rainbow trout, bluegill, redear sunfish and striped bass. What holds for the county may not hold for this water. Upper Emerald Lake fishes better once you know its edges.

• Seasonal Patterns

  Expect August to average close to 65°F, with January the cold end at about 49°F. Winter is a mild inconvenience here, nothing more. October and November give a second good stretch as it cools. June to September is hot work, so the first and last hours are what count. Expect Upper Emerald Lake to follow that timing.

• Tackle & Baits

  Who may fish here is not settled in anything we hold. Mapping shows parking within half a mile. A platform or pier sits within 50 yards. A picnic area is mapped about half a mile away. Facilities include toilets around half a mile from here. Look for a notice board at the entrance. Some ground is open by custom rather than by right, so tread carefully. Lower Emerald Lake sits 0.6 miles off and takes the overflow. Nothing on Upper Emerald Lake should be assumed from this page alone.