Freestone · Mixed · West Bohemia / Karlovy Vary

Ohře

Ohře venue image
Google Places

Major western Bohemian river, brown trout and grayling with some rainbow trout.

Good · Rainbow Trout
Czech Nymph · 10-14
Goodlive now
A proper day on the water
River dropping into shape after a lift. Fishing well — get there before it drops out.
75% confidence
What moved it
  • Level0.35 mDropping after lift
  • Water temp16.7°C
  • ClarityClear
Today’s fly
Czech Nymph
Czech Nymph10-14
Euro-nymph
Conditions on the water
Live gauge
Level
Steady
0.35 m
lowspate
Water temp16.7°C
ClarityClear
Weather19°C
WindNE 8 km/h
Pressure1024 hPa
Rain · recent2.5 mm
Rain · ahead16.4 mm

Live readings — water temperature is an estimate where the gauge does not record it.

Water temperature for rainbow trout
Ideal
17°C est.ideal 10–18°C
0°14°28°
How to fish it · for rainbow 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
Good — water temperature is working for you, but insect activity is the limiting factor today.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.

Start free trial

14-day free trial. Cancel anytime.

Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Grayling seasonSeason
1
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

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

Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
  • State licence + local permit
  • Brown trout protected Sep 1–Apr 15.
What's coming
Plan ahead
5-day outlook
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

Major western Bohemian river, brown trout and grayling with some rainbow trout. Flows through the spa region near Karlovy Vary with mixed character — riffles, pools and longer glides offering varied fly fishing opportunities. A river with enough scale and diversity to sustain genuine fishing interest.

  • Mixed
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Good

WFD classification · CZOHL_0500

The full read · show the working · for rainbow trout · confidence 75%
How the 71 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow40 × 22%8.8
Clarity85 × 18%15.3
Feeding Time80 × 13%10.4
Pressure75 × 7%5.3
Insect activity29 × 12%3.5
Conditions total= 71
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout16 April → 31 August
  • Grayling16 June → 30 November
Related guides
Grayling Playbookgrayling tacticsEuro Nymphingsubsurface methods
Booking & contacts