Paddling in South Downs National Park

The South Downs National Park runs east to west across the south of England, from Winchester to Eastbourne, and the rivers that drain its chalk hills are the defining water here.

These are not big whitewater systems — they are lowland chalk streams and tidal estuaries, mostly gentle, mostly tidal in their lower reaches, and shaped as much by the sea as by the hills above them.

The Cuckmere River is the water most associated with paddling in the park. In its lower section it winds through a broad flood plain before reaching the sea at Cuckmere Haven, with the white cliffs of the Seven Sisters rising at the mouth.

The meanders are sheltered and calm, well suited to beginners and families. Buzz Active operates from Seven Sisters Country Park with kayaks, open canoes, and stand-up paddleboards for hire and tuition.

More experienced paddlers can push out toward the coast, though tide times and weather demand attention before committing to that section. The River Arun runs through the western part of the park.

The stretch around Arundel is tidal, and working it well means planning around the tides — get that right and you have a long, quiet passage past the castle and cathedral.

Further upstream the river slows and widens through nature reserves, where kingfishers are a reasonable expectation.

The Kayak Coach runs hire from a base on the River Adur in West Sussex, with sit-on-tops, open canoes, and SUPs available, and camping nearby for those wanting more than a day on the water.

The River Adur, the River Ouse — which passes the historic town of Lewes — and the Cuckmere all share the same character: chalk-fed, relatively clear, tidal in their lower miles, and best read with a tide table in hand.

The Cuckmere guided trips run by The Kayak Coach include the estuary in the park's eastern end, with views toward Alfriston and the chalk downland above.

What the park adds to all of this is a landscape where the rivers still move through working flood plains, grazed meadows, and nature reserves rather than channelled urban corridors.

Paddling here is slow travel in the best sense: the water is the point, and the pace the chalk streams set is the right one for it.