Mary Loch Lake Fishing Guide, Rio Blanco County, Colorado

• Overview

  Rio Blanco County in Colorado is where Mary Loch Lake sits. Elevation runs to 9,862 feet. Small at around 3 acres: two anglers spread out cover most of it. The town to know is Glenwood Springs, 30 miles out. For a city, Boulder is 110 miles off. Within a short drive: Rainbow Lake at about 1.3 miles, Guthrie Lake near enough 1.8 miles, Pine Isle Lake at about 2.7 miles, Gwendolen Lake near enough 2.7 miles and Marvine Lakes at about 2.9 miles. This one is safely inside the county line.

• Where to Fish on Mary Loch Lake

  No depth figure appears in our records, so the bank has to tell you. Bays and points beat straight shoreline every time on water like this. This is a lake, so the margins and the first drop matter most. Records held for Rio Blanco County cover flannelmouth sucker, cutthroat trout, rainbow trout, bluehead sucker and mountain whitefish. Read it as a county summary, not a water-by-water list. The shape of Mary Loch Lake rewards a slow walk along one bank.

• Seasonal Patterns

  Seasonal averages run from 16°F in January up to 54°F in July. Four clear seasons, with a proper winter at one end. Count the season from break-up, usually late May. In an average year the thaw lands around late May and the freeze near mid November. The open run goes from the thaw to the freeze, and April through October covers most of it. It sets the rhythm of the year at Mary Loch Lake.

• Tackle & Baits

  No access rule appears in what we hold. Public data shows nothing built here, so treat the whole approach as informal. For the trout, small spinners and a box of nymphs cover both approaches. Some banks are open only from a marked point. Barbless rules turn up on managed water more often than not. Rainbow Lake sits 1.3 miles off and takes the overflow. Nothing on Mary Loch Lake should be assumed from this page alone.