Roberts Lake Fishing in Sonoma County, California

• Overview

  Roberts Lake is a Sonoma County water, California side. The setting is oak and grass on every side. This is a pocket water of some 5 acres, and every part of it is reachable from the bank. On size it sits at the modest end of our Sonoma County list. The closest town, Rohnert Park, is 1.9 miles away. For a city, Santa Rosa is 5 miles off. There is no boundary nearby to worry about.

• Where to Fish on Roberts Lake

  There is no published depth for this one, so start shallow and work out. Rip-rap along the wall holds fish that the open bank never does. Draw-down through summer strips the margins, so follow the water out. Public occurrence data for Sonoma County names flathead grey mullet, rainbow trout, Chinook salmon and bluegill. At least one recorded species is protected in parts of its range; read the local rules before targeting anything. Roberts Lake gives up its fish to patience rather than distance.

• Seasonal Patterns

  July is the warm end of the year here, averaging about 68°F, while December sits near 47°F. Fish stay active all year, but they move with the heat. March through May is the strongest run, with autumn a second stretch. Spring and autumn carry the year; summer squeezes it into the ends of the day. Roberts Lake runs to that rhythm year in and year out.

• Tackle & Baits

  Our records carry no access rule either way. You can park half a mile away and walk in from there. For the trout, small spinners and a box of nymphs cover both approaches. Sort the permit out before you load the car. Signs go up and come down, so check on the day. Matanzas Creek Reservoir, 4.2 miles away, makes the obvious fallback. The position on Roberts Lake is worth confirming on the day.