Freestone · Mixed · Colorado

Roaring Fork River

The Roaring Fork is a big, generous valley freestone that gathers the Fryingpan and the Crystal on its way from Aspen down to Glenwood, growing browns, rainbows and a healthy run of mountain whitefish along the way.

Species

About as good as it gets

River steady at a fishable height. About as fair as it ever gets — go properly.

90% confidence in this read
Water temperature for brown trout
Ideal
10.8°Cideal 1016°C
0°14°28°
Why this score · for brown trout
  • Temperature10028% weight
  • Flow8022% weight
  • Clarity9518% weight
  • Feeding Time8013% weight
  • Pressure807% weight
  • Insect activity5812% weight
Conditions
Level
0.98 m
Water temp
10.8°C
Clarity
Clear
Air temp
26°C
Wind
W 13 km/h
Gentle breeze
Pressure
1016 hPa
Rain · 24h
0.0 mm
No rain
Rain · ahead
0.0 mm
No meaningful rain · next 48h

Live readings only. Trends shown where the gauge supports them.

How to fish it · for brown trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Excellent — water temperature is right today, though insect activity could be better.
Through the year
0–3 scale · June highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Permits & access
Permit required — see local rules.
  • Colorado licence
  • Gold Medal lower river — verify CPW rules
  • Mind summer thermal stress and tributary (Crystal) closures.
Directions
About this water

The Roaring Fork is a big, generous valley freestone that gathers the Fryingpan and the Crystal on its way from Aspen down to Glenwood, growing browns, rainbows and a healthy run of mountain whitefish along the way. It's a float-and-wade river with real size to it, best after the June runoff drops and the caddis, stoneflies and BWOs get going. Tie it together with the Fryingpan and the upper Colorado as a Roaring Fork Valley cluster — when one's blown or warm, another's usually fishing. The lower river near Glenwood warms in high summer, so mind the afternoons.

Under the surface

The Roaring Fork falls out of the high country above Aspen and runs sixty-odd miles down to the Colorado at Glenwood Springs, gathering the Fryingpan and the Crystal on the way and growing from a pocket-water creek into a big, brawling freestone. The upper river near Aspen is steep and quick over granite and cobble; by the time it reaches Carbondale and Glenwood it's a substantial Gold Medal river of long riffles, deep runs and willow-lined gravel bars beneath the Elk Mountains. The flow is honest snowmelt-and-tributary water, high and off-color in June, dropping into prime shape through the summer and fall. The bed is rounded freestone, the lies in the seams and drop-offs. Wading is real freestone work, slick and uneven, and the lower river is big enough that a drift boat sees the best of it.

Wading: High off color runoff, slick uneven rock

  • Mixed
  • Partly confined
  • Pool riffle
Seasons & zones
  • Trout1 January → 31 December
Other water nearby · 3