Left Hand Reservoir near Niwot: Fishing Spots, Seasons and Access

• Overview

  Left Hand Reservoir is one of the Boulder County listings for Colorado. The land about it is mixed woodland. Small at around 13 acres: two anglers spread out cover most of it. The nearest town is Niwot, 2.1 miles away. Boulder is the closest city, 8.7 miles away. This one is safely inside the county line. Nothing about it is complicated once you have walked it.

• Where to Fish on Left Hand Reservoir

  Depth here is unknown, so count the lead down before committing. Built water gives depth close in, which suits a bank angler. The arms fish better than the open middle whenever the water is up. Public occurrence data for Boulder County names black-spotted cutthroat trout, brook trout, brown trout, bluegill and rainbow trout. These are county-wide records, so not all of them will be in this water. Read Left Hand Reservoir before you fish it and the day goes better.

• Seasonal Patterns

  Expect July to average close to 72°F, with January the cold end at about 30°F. Mild ends to the year keep the season long. It is not guaranteed even in a cold spell, so check yourself. February into May fishes hardest as the water warms. On Left Hand Reservoir that shapes the whole year.

• Tackle & Baits

  Nothing we hold confirms whether access is permitted. You can launch: the ramp is half a mile away. Parking is not close: half a mile from the bank, and no nearer option is mapped. Toilets are half a mile away, which matters on a long session. A phone call first saves an afternoon. Some water is controlled locally without a sign saying so. For a change of water, Lagerman Reservoir is 0.7 miles distant. Signs at Left Hand Reservoir carry more weight than any list.