Grant B Reservoir Fishing Guide, Jefferson County, Colorado

• Overview

  Grant B Reservoir sits in Jefferson County, out in Colorado. The country here is farm and woodlot. This is a pocket water of some 23 acres, and every part of it is reachable from the bank. The closest town, Columbine, is 2 miles distant. The nearest city of size is Lakewood, 6.2 miles away. Two sets of local rules meet not far from this water.

• Where to Fish on Grant B Reservoir

  No chart reached our records; the first cast is your sounding. Draw-down through summer strips the margins, so follow the water out. Inflow corners move water, and moving water gathers fish. Reported across Jefferson County: rainbow trout, brown trout and common carp. County records show the wider picture rather than this one place. Treat Grant B Reservoir as a water to read rather than to cover.

• Seasonal Patterns

  July is the warm end of the year here, averaging about 73°F, while January sits near 31°F. Neither winter nor summer shuts things down for long. Cover comes and goes, so treat it with suspicion rather than trust. Autumn steadies things again once the heat lets go. Plan around that when you fish Grant B Reservoir.

• Tackle & Baits

  Whether you may fish here is not something records settle. There is a car park half a mile from the bank. There is a mapped landing stage half a mile away. There is a toilet block some half a mile out. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Bank access can be seasonal on ground like this. Where parking is tight, arriving early solves most problems. Grant C Reservoir at 0.2 miles is the sensible second choice. None of that is settled for Grant B Reservoir in what we hold.