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The River Cassley is a spate river in Sutherland, northern Scotland, known for its fast-flowing runs and rocky character that attracts salmon and sea trout anglers, particularly during autumn and winter months when water levels rise. The river offers an exciting and challenging fishing experience with good pools interspersed with turbulent sections, though success is heavily dependent on recent rainfall. Access is generally by arrangement with local estates and ghillies, with most fishing controlled by private beats requiring permits and often professional guidance.
River Cassley observes the standard close season: 15 March – 15 June (rivers, England & Wales). Always check local byelaws before your visit. No rod licence is needed in Scotland, but permission or a permit from the estate, club or riparian owner is usually required.
Water level data from the Environment Agency Real Time Flood Monitoring API. Nearest gauging station. Always verify conditions on arrival.
River Cassley holds atlantic salmon, sea trout, brown trout.
No rod licence is required to fish River Cassley in Scotland. Permission from the riparian owner, an estate or a local angling club is usually required on most stretches.
No rod licence is required to fish River Cassley in Scotland. You will typically need permission from the riparian owner, an estate beat or a local angling club for most stretches of River Cassley.
Always check conditions before you visit — access, water quality and rules can change seasonally. SEPA's Water Environment Hub provides up-to-date water quality information for Scottish rivers.
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