Freestone · Volcanic · New Mexico, US

Rio Grande — Lower Box / Racecourse (Pilar)

Rio Grande — Lower Box / Racecourse (Pilar) terrain map
Today · Slow going — pick your moments
Sex Dungeon
Forecast · Today
Slow going — pick your moments
Slow going — pick your moments and do not force it.
45% projected
Today's fly
SD
Sex Dungeon
Conditions on the water · Today
Live gauge
Level
Rising
0.60 m
Lifting fast
Water temp14.6°C
ClarityVery coloured
Weather21°C
WindN 7 km/h
Pressure1017 hPa
Rain · recent5.0 mm
Rain · ahead0.5 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Ideal
15°C est.ideal 10–16°C
0°14°28°
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
Water at 22.6°C. This is the line where catch-and-release kills brown trout. Do not fish for them today.
Likely species
Mayflies
Caddisflies
Hatch timeline · todayPeak at 11am

12pm(now) — Reed Smut

Stage: On emergersApproach: Emerger or dryActivity: 40%
Also:Flying Ants29%Trico24%
Peak emergence window4 food groups active

Peak activity at 11am — Reed Smut (Reed Smut, Peak emergence window)

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September 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
Brown DunHatch
2
3
3
3
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2

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

Ranked for today
Brown Trout fly box
SD
Sex Dungeon
2-6 · Pattern
Proven pattern for this period
Permits & access
Permit required — see local rules.
  • Open all year; verify Orilla Verde / Racecourse reach rules against NMDGF and BLM
  • A Habitat Stamp is required to fish USFS/BLM land and waters in New Mexico
  • The roadside access makes this the approachable Rio Grande reach, but flow and monsoon colour still govern the day.
What's coming
Plan ahead
5-day outlook
Water here at 22.6°C. Nothing cooler within range.
Water quality · US Clean Water Act
  • Aquatic life: Impaired
What this classification means

EPA ATTAINS assessment unit 'Rio Grande (Embudo Creek to Rio Pueblo de Taos)' (NM-2111_12), 2024 Integrated Report. Aquatic Life use: Not Supporting. Listed impairment causes: Turbidity. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · NM-2111_12

The full read · show the working · for Brown Trout · confidence 90%
How the 2 is built — score × weight = contribution
Temperature1 × 28%0.3
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity19 × 12%2.3
Limiting factor: Water temperature (22.6°C) is outside Brown Trout's preferred range (10–16°C)= 50
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Booking & contacts