Highline Lake & Mack Mesa Lake Fishing Report and Conditions

Last checked: Oct. 27, 2026 · Updated: Oct. 27, 2026: this page is updated when new official data is posted.

Current Water & Ramp Conditions

Invasive Species (CPW ANS Status) & Seasonal Boating Rules

  • Highline Lake: Zebra or Quagga Mussels: Infested since 2022 (CPW, checked 2026-10-21).
  • Mack Mesa Lake (at Highline Lake State Park): Zebra or Quagga Mussels: Infested since 2025 (CPW, checked 2026-10-21).
  • Mandatory Decontamination: Clean, drain and dry everything before you move to another water. See our Clean, Drain, and Dry Field Guide.
  • Seasonal Boating & Waterfowl Rules: Highline Lake is open to general boating Mar. 1 to Sep. 30 only and is closed to boating annually Oct. 1 to Feb. 28 to provide a resting area for migratory birds (except hand-propelled craft used by legal waterfowl hunters; waterfowl hunting runs Mon to Fri from designated north-end blinds). Mack Mesa Lake remains open to shore fishing, kayaking, paddleboarding, and hand-launched electric-motor craft (no gas/diesel engines; electric motors require ANS inspection 8 a.m. to 4 p.m. daily). Source: CPW Highline Lake State Park Highlights.

About the Waters & Verified Species

Located in Loma (~25 min northwest of Grand Junction via I-70 W to Exit 15 / 13 Road and Q Road), Highline Lake State Park (~4,700 ft elevation) features two distinct fisheries:

Interactive Seasonal Approach & Access Selector

Shore Fishing (Highline & Mack Mesa): Cast inline spinners, small spoons, or float-and-jig rigs along the Mack Mesa piers and dam face, or fish Highline's south and east shorelines (giving north-end waterfowl blinds wide berth Monday to Friday).

Dated Reports & Fish Kitchen Archive

Recommended VCO Gear & Pre-Order Lineup

Questions or local report updates? Call 970-426-1678 or email support@viralcastoutfitters.com.