- Fly only
12 Uhr(now) — Mahogany Dun
Peak activity at 21 Uhr — Brown Dun (Brown Dun, Weather boost)
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 3 as a supporter.
Start free trial14-day free trial. Cancel anytime.
Based on species-occurrence records, not local invertebrate surveys.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
- CDFW low-flow threshold is 150 cfs at Van Duzen River near Bridgeville; check current open/closed status.

Van Duzen River Terrain map
Wild steelhead and salmonid recovery context. Conservation-first; no catch score for listed salmonids.
Why this score · for Steelhead
- Temperature10028% weight
- Flow8022% weight
- Clarity9518% weight
- Feeding Time5013% weight
- Pressure757% weight
- Insect activity7012% weight
- Trout 1 September → 30 April
Van Duzen River

12 Uhr(now) — Mahogany Dun
Peak activity at 21 Uhr — Brown Dun (Brown Dun, Weather boost)
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 3 as a supporter.
Start free trial14-day free trial. Cancel anytime.
Based on species-occurrence records, not local invertebrate surveys.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
- CDFW low-flow threshold is 150 cfs at Van Duzen River near Bridgeville; check current open/closed status.

Van Duzen River Terrain map
Wild steelhead and salmonid recovery context. Conservation-first; no catch score for listed salmonids.
Why this score · for Steelhead
- Temperature10028% weight
- Flow8022% weight
- Clarity9518% weight
- Feeding Time5013% weight
- Pressure757% weight
- Insect activity7012% weight
- Trout 1 September → 30 April