Chironomids
Gammarids
Managed for quality — larger fish, lower pressure, potentially stricter rules than the general Otava sections. Represents the Czech model of premium beat management where conservation and quality fishing go hand in hand.
- Granite
Rules at a glance
- Licence required
Water temperature for Brown Trout
Cool — slow6°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.
Likely species
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Survey-backed · regionalModerate confidence
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Through the year
0–3 scale · November 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
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
The most distinct national style here: Czech nymphing first, with short-line teams of 2 or 3 weighted nymphs central to trout and grayling fishing in fast rivers.
Permits & access
Permit required — see local rules.
- Private beats — special arrangement with ČRS/local club required
- Elevated size limits (trophy fishing)
- Fly-only, barbless mandatory.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Otava Terrain map
About this water
Water quality (WFD)
- Ecology: Moderate
- Chemical: Failing to achieve good
WFD classification · CZHVL_1250
The full read · show the working · for Brown Trout · confidence 70%
How the 0 is built — score × weight = contribution
Temperature37 × 28%10.4
Flow40 × 22%8.8
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity50 × 12%6.0
Conditions total= 53
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 16 April → 31 August
- Grayling 16 June → 30 November
Czech national rule: grayling (lipan podhorní) protected 1 December – 15 June. Open window is 16 June – 30 November. Czech Anglers Union (ČRS) salmonid fisheries also have method and access rules — check the local ČRS district permit for specific conditions.
Closed in spring for spawning.
Prime sport 1 September → 30 November
Related guides
Booking & contacts
Otava 6 (Private Trophy Section)
Private trophy salmonid fishery on the Otava with its own permit system.
Water temperature for Brown Trout
Cool — slow6°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.
Likely species
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Evidence
Survey-backed · regionalModerate confidence
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Through the year
0–3 scale · November 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
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Brown Trout fly box
The most distinct national style here: Czech nymphing first, with short-line teams of 2 or 3 weighted nymphs central to trout and grayling fishing in fast rivers.
Permits & access
Permit required — see local rules.
- Private beats — special arrangement with ČRS/local club required
- Elevated size limits (trophy fishing)
- Fly-only, barbless mandatory.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Otava Terrain map
About this water
Managed for quality — larger fish, lower pressure, potentially stricter rules than the general Otava sections. Represents the Czech model of premium beat management where conservation and quality fishing go hand in hand.
- Granite
Water quality (WFD)
- Ecology: Moderate
- Chemical: Failing to achieve good
WFD classification · CZHVL_1250
The full read · show the working · for Brown Trout · confidence 70%
How the 0 is built — score × weight = contribution
Temperature37 × 28%10.4
Flow40 × 22%8.8
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity50 × 12%6.0
Conditions total= 53
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 16 April → 31 August
- Grayling 16 June → 30 November
Czech national rule: grayling (lipan podhorní) protected 1 December – 15 June. Open window is 16 June – 30 November. Czech Anglers Union (ČRS) salmonid fisheries also have method and access rules — check the local ČRS district permit for specific conditions.
Closed in spring for spawning.
Prime sport 1 September → 30 November
Related guides
Booking & contacts
At a glance
Otava 6 (Private Trophy Section) is a freestone river in South Bohemia / Šumava, Czech Republic. Its recorded elevation is about 503 m above sea level and the catchment geology is granite. The species listed for this water is brown trout. The trout season is recorded as running from 16 April to 31 August. The grayling season is recorded as running from 16 June to 30 November. Best window recorded for anglers: May–August (summer); September–November (autumn). Core methods listed: Czech nymph; Small dry flies; Upstream nymph. Its Water Framework Directive ecological status is recorded as moderate. Nearby waters in our listings include Otava at 4.0 km, Blanice at 17 km and Vydra / Křemelná at 33 km.