Fishing Anderson Reservoir in Costilla County, Colorado

• Overview

  The Costilla County entry here is Anderson Reservoir, in Colorado. Around the bank it is dry rangeland. Small even by pond standards, it rewards one careful line. It is one of the smaller waters we list in Costilla County. The closest town, Questa, is 21 miles distant. Alamosa East follows at 34 miles, then Alamosa at 34 miles. The county line runs close by, so rules can change within a short drive.

• Where to Fish on Anderson Reservoir

  Our records hold no depth for this water. The productive water is a rod length or two out, not a hundred. This is a lake, so the margins and the first drop matter most. Fish documented in Costilla County include cutthroat trout, white sucker and black-spotted cutthroat trout. It is the county picture; the agency list is water-specific. At Anderson Reservoir light and wind decide more than tackle does.

• Seasonal Patterns

  Temperature averages peak at 66°F in July and bottom out at 19°F in January. Seasons are distinct, and each one fishes differently. Hard cover is dependable here; it goes around late March. On average, late March opens the water and early December closes it again. Late spring and early autumn carry the year between them. At Anderson Reservoir the season follows that pattern closely.

• Tackle & Baits

  Access is not recorded for this water. Mapping is blank for access, so scout the approach before committing the car. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Season dates differ by species, so read the table. Some ground is open by custom rather than by right, so tread carefully. Eastdale Reservoir Number 1 sits 2.9 miles off and takes the overflow. Signs at Anderson Reservoir carry more weight than any list.