Sin muerte beats preserve native autóctona genetics alongside some managed rainbow water in the same upper system. Mountain limestone gorges, karst springs and compact pocket water define the character of this upper basin.
- Limestone
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Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Sin muerte beats preserve native autóctona genetics alongside some managed rainbow water in the same upper system. Mountain limestone gorges, karst springs and compact pocket water define the character of this upper basin.
WFD classification · ES070MSPF001010101

This is the Segura headwater country around Santiago-Pontones and Fuente Segura, the densest cluster of wild-trout cotos in Andalucía.
Hatch predictions
Supporters see the full hour-by-hour hatch timeline.
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Hatch predictions
Top nymph shown — see all 4 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Sin muerte beats preserve native autóctona genetics alongside some managed rainbow water in the same upper system. Mountain limestone gorges, karst springs and compact pocket water define the character of this upper basin.
WFD classification · ES070MSPF001010101
Río Segura (headwaters) is a freestone river in Andalucía / Jaén (Sierra de Segura), Spain. Its recorded elevation is about 1,686 m above sea level and the catchment geology is limestone. The river is described as roughly 40 km long. Our data lists brown trout and rainbow trout here. Core methods listed: dry fly; nymph; careful low-water approach. Level and flow data for this water is linked from 2 gauges. Its Water Framework Directive ecological status is recorded as high. Nearby waters in our listings include Río Segura (headwaters) at < 1 km, Río Madera (Bajo) at 5.0 km and Río Zumeta at 11 km.