Fishable Water

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Colorado River

below Baker Gulch, Colorado · USGS gauge 09010500

For October 18, flow is lower than usual.

Flow
13 ft³/s
4th percentile for the date
34 min ago

The last October 18 it ran this low was 2020, at 10 ft³/s.

These readings do not say whether fish are biting, whether there is parking, or whether the season is open. The shop reports below cover what is biting.

Colorado River reports from local shops

Each shop writes its own report. Listed here: the date on each one and the hatches and flies it names. Their words stay on their sites; follow the link to read them.

Two local shops have posted a report on the Colorado River in the last two weeks. All two mention blue-winged olives, caddis, midges and tricos; one mentions golden stones, pale morning duns, salmonflies and yellow sallies. RS2 is on every one of their fly lists.

Before you drive

Overnight28°F, wind 2 mph
Mostly Clear
Sunday61°F, wind 3 mph
Mostly Sunny
Sunday Night32°F, wind 1 to 5 mph
Partly Cloudy
Monday62°F, wind 1 to 6 mph
Mostly Sunny

How this water changes through the year

Flow through the yearFlow through the year
Flow for each week of the year from 2005 to 2026: the median and the middle 60 per cent of readings, with today's reading marked on today's date.0200400600JanMarMayJulSepNovToday 13medianmiddle 60% of yearsft³/sFlow for each week of the year from 2005 to 2026: the median and the middle 60 per cent of readings, with today's reading marked on today's date.0200400600JanMarMayJulSepNovToday 13medianmiddle 60% of yearsft³/s
Flow, ft³/s. The band is the middle 60% of years for each week; the line is the median. The marker is the current reading, on today's date.
Water temperature through the year is not shown: record too sparse across the year.

Over 22 years of record, flow on Colorado River peaks in June, when the median runs about 311 ft³/s, and falls to its lowest in February at around 8 ft³/s. Today's 13 sits between the two. The band on the chart is where the middle 60% of years fall, so a reading inside it is ordinary for the date and one outside it is not.

Nearby monitored waters

No water here is recommended over another. Same measurements, three closest waters.

Species

Listed by Colorado CPW for Colorado River #12: Brook Trout.

The agency's list covers CPW's Fishing Atlas reach, water code 19718; the atlas lists species per reach, not per river. CPW's own stream-gage layer joins USGS 09010500 below Baker Gulch near Grand Lake to water code 19718. The headwater reach inside Rocky Mountain National Park. Reaches downstream at Parshall and Radium list brown, rainbow and whitefish and are not this reach. The agency prints no date on the list; read 2026-09-08.

Access points

CoordinatesTo gauge
40.3258, -105.8561 · below Baker Gulch
USGS gauge location. Not a listed public access point; check access before you travel.
0.0 mi

Sources and method

Live
USGS gauge 09010500, COLORADO RIVER BELOW BAKER GULCH NR GRAND LAKE, CO, 0.0 mi from the listed access point. Fetched 2026-10-18 07:19 UTC.
History
USGS daily values: flow 2005–2026, 7,940 daily values; water temperature 2022–2026, 741 daily values. Percentile is the share of readings within 7 days of this calendar date, across all years, below the current one (flow n=315 over 21 years).
Rules
Seasons, limits and licences are not on this site and are not copied from the agency that publishes them: Colorado CPW.
Species
Colorado CPW, Colorado River #12, undated, read 2026-09-08.
Shop reports
Chosen from the organic search results for “colorado river fishing report” (Ahrefs, read 2026-10-01), keeping shops and guides and dropping social media, forums and other aggregators. Linked, not quoted, and not endorsed. Report dates, hatches and fly names read from each page 2026-10-18, by matching a fixed list of insects and patterns: a name not on the list is not shown, and a report older than 30 days shows its date only.
Forecast
NOAA National Weather Service, api.weather.gov, for the coordinates of the nearest access point.

Independent presentation of public data. Not affiliated with, endorsed by, or approved by the USGS, NOAA or Colorado CPW.