Fishing at Beaver Reservoir, Boulder County, Colorado

• Overview

  In Colorado, Beaver Reservoir falls inside Boulder County. It sits at 9,157 feet above sea level. At about 110 acres, a day is enough to walk the shoreline properly. The bank runs about 1.4 miles all the way round, so one visit can cover most of it. On our Boulder County list it sits near the top for size. 11 miles away sits Nederland, the nearest town. The nearest city of size is Boulder, 15 miles away. No border sits close enough to matter.

• Where to Fish on Beaver Reservoir

  No depth figure appears in our records, so the bank has to tell you. Draw-down through summer strips the margins, so follow the water out. Held water runs deepest at the wall and shallows back to the inflow. Reported across Boulder County: black-spotted cutthroat trout, brook trout and brown trout. Records at county level tell you what is around, not what is stocked here. On Beaver Reservoir the obvious spot is not always the productive one.

• Seasonal Patterns

  July runs about 55°F on average, February about 22°F. Winter puts a hard lid on this one. Hard cover is dependable here; it goes around mid May. Climate figures give an open season running mid May to mid November. September and October fish steadily right up to the freeze. Anyone fishing Beaver Reservoir regularly works to that calendar.

• Tackle & Baits

  The paperwork position is blank for this one. A car park lies half a mile away, so the walk in is short. A platform or pier sits within half a mile. A campsite lies half a mile away for anyone staying over. Toilets are half a mile away, which matters on a long session. Read any posted signs at the access point rather than assuming. Where the way in crosses private ground, ask first. Tumbleson Lake sits 1.8 miles off and takes the overflow. Ask locally about Beaver Reservoir if anything is unclear.