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Colorado · Fishing
Rye, Colorado sits at the foot of the Wet Mountains, and the fishing here centers almost entirely on Lake Isabel and the St. Charles Creek drainage that feeds it. The six campgrounds and cabin options clustered around Lake Isabel — St.
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View on mapFishing · 6 spots
Rye, Colorado sits at the foot of the Wet Mountains, and the fishing here centers almost entirely on Lake Isabel and the St. Charles Creek drainage that feeds it. The six campgrounds and cabin options clustered around Lake Isabel — St. Charles, Ponderosa Group, Spruce Group, Southside, Lake Isabel Cabin, and Davenport — put you within a short walk of the water, which matters more than people realize when you want to be on the lake at first light. Lake Isabel is a small, high-country reservoir managed by the San Isabel National Forest, and it draws anglers looking for a straightforward mountain fishing trip without a long drive into the backcountry. The listings here are tagged as river fishing, which reflects the St. Charles Creek corridor as much as the lake itself, so bring gear that works for both still water and a moving freestone stream. This is not a destination for trophy hunters chasing trophy-sized fish on a technical tailwater. It is a solid option for families, beginners, and anyone who wants a quiet morning on the water paired with a campsite that does not require a reservation made six months out.
Lake Isabel is stocked by Colorado Parks and Wildlife and holds rainbow trout as the primary target. St. Charles Creek, which feeds the lake, also holds trout and is worth working if the lake sees pressure on busy summer weekends. Check the CPW stocking report before your trip to see how recently the lake has been stocked.
Yes, anyone 16 or older needs a valid Colorado fishing license, available through Colorado Parks and Wildlife online or at local sporting goods stores. Lake Isabel falls within San Isabel National Forest, so check current CPW regulations for bag limits and any seasonal closures on St. Charles Creek before you go, as tributary rules can differ from the lake.
La Vista Campground - Lake Isabel
~1 min drive
A worthwhile stop near CO.
Mingus Ranch
~13 min drive
A worthwhile stop near CO.
Arkansas River - Bighorn Sheep Canyon
~1h 14m drive
Moderate
Southside Campground - Lake Isabel
~1 min drive
A worthwhile stop near CO.
Lake Isabel
~1 min drive
A worthwhile stop near CO.
St Charles Campground - Lake Isabel
~1 min drive
A worthwhile stop near CO.
Beckwith Reservoir
~19 min drive
A worthwhile stop near CO.
Lake Isabel Cabin
~2 min drive
A worthwhile stop near CO.
McKinley Reservoir
~29 min drive
A worthwhile stop near CO.
Ponderosa Group - Lake Isabel
~3 min drive
A worthwhile stop near CO.
Smith Reservoir
~42 min drive
A worthwhile stop near CO.
Spruce Group - Lake Isabel
~3 min drive
A worthwhile stop near CO.
Late spring through early fall is the most reliable window, roughly May through September, once the access road is clear of snow and the lake has warmed enough to be active. Early summer right after stocking tends to produce the most consistent action. Ice fishing is possible in winter but confirm road and ice conditions before making the drive up from Rye.
Early morning and the hour before sunset are consistently the most productive times on a small mountain lake like Isabel. Midday in summer, especially July and August, tends to slow down as the sun gets high and temperatures rise. If you are camping at St. Charles, Southside, or one of the other lakeside campgrounds, you are already positioned to fish those windows without any extra driving.
It is one of the more approachable fishing spots in the Wet Mountains precisely because the campgrounds sit close to the water and the lake is small enough to fish effectively from shore. Kids and beginners do well here with a simple setup — a spinning rod, a small bobber, and a piece of PowerBait or a small spinner covers most situations. The group sites at Ponderosa and Spruce are specifically designed for larger parties, which makes them a practical choice for family or scouting trips.
