The Sussex River Ouse (pronounced “ooze” and not to be confused with the Yorkshire River Ouse) begins in the springs near Slaugham in West Sussex, England. From there it gently gathers in size and speed, traveling northward before bending back south through the Sussex Weald and the chalk downland of the South Downs. By the time it reaches the ancient town of Lewes, winding past the castle and old town wharves, it has travelled 42 miles and drawn in dozens of tributaries and streams. The river ends when it meets the English Channel at Newhaven, carrying sediment, rainfall and life. In total, it spans a catchment of over 750 miles of rivers, brooks and streams.
River Ouse by Lewes
For thousands of years, the Ouse has shaped the landscape and the communities that have grown alongside it. Through its rising, falling and permanence, it has created floodplain grasslands, washlands and reed beds, powered mills, and held the weight of commercial barges. Artists, writers and naturalists (including Viriginia Woolf and Eric Ravilious) have long drawn on the Ouse for their material — there is something in how the light hits its reed beds and chalk-cut meanders that captivates us. Alongside its beauty is its power, and terrible events are also linked to the Ouse, including catastrophic town floodings and it notably being where Woolf decided to end her life.
Today, as a giver of life, the river’s Cockshut Stream has created a much-needed wetland area. Councillor Emily O’Brien, Cabinet Member for Climate, Nature and Food Systems at Lewes District Council, explained: “This new wetland is great news for the environment — improving biodiversity, helping with flood management and carbon storage, and enabling the stream to flow alongside native plants.” This is just one example of the river's invaluable impact. Yet, it faces mounting pressures that engineering and flood management alone cannot solve: climate-driven excesses of flood and drought, habitat degradation, pollution, and the steady loss of the biodiversity that makes a river a living system rather than a drainage channel.
The people of Lewes are not standing for this, and a grassroots movement has taken off. The Green-centric council and local environmental campaigners are doing something that hasn’t been done before in the UK: giving a river a voice. They are doing this through the Rights for the River Ouse Charter (a local framework passed by Lewes District Council in early 2025), making the Ouse the first river in England to have its intrinsic legal rights recognized.
River Ouse passing through Lewes
A River Under Pressure
The importance of this charter should not be underestimated. The river supports a rich and varied ecology. Running through open farmland and ancient woodland, it is home to water voles, kingfishers, otters and many invertebrates that underpin a diverse food chain. The chalk streams that feed into it, which are among the rarest freshwater habitats on earth, are home to brown trout, southern damselfly and white-clawed crayfish. The lower estuary at Newhaven, where freshwater meets the tidal salt of the Channel, provides feeding and resting grounds for wading birds and wildfowl.
Seal resting by River Ouse near Lewes
Despite its environmental importance, the river is struggling. Agricultural run-off is introducing surplus nutrients and toxic pesticides, which, among other things, drive algal blooms that strip oxygen from the water. Phosphates and nitrates (also largely introduced by agricultural run-off and treated sewage) are pushing the river toward a state of eutrophication, where the balance of life collapses. Southern Water, which manages wastewater across the region, has faced repeated scrutiny over sewage discharges into Sussex waterways.
Climate change adds to these pressures. The Ouse Valley has flooded dramatically, as seen in October 2000. After days of intense rain, the river burst its banks and inundated 600 homes and 300 businesses. Nearly £120 million (about US $174 million at the time) in damage was done. Warmer, wetter winters are expected to increase flood frequency and severity, while summer droughts lower river levels and concentrate pollutants. The river's ability to recover from these shocks relies on the health of its wider catchment.
As with most rivers in England, the Ouse is regulated primarily through planning controls and pollution statutes administered by the Environment Agency, which in theory require the river to achieve good ecological status. In practice, most English rivers — including the Ouse — fall short of that standard (less than 15% of English rivers meet it) and enforcement is inadequate. The legal system is currently not built to represent any river's interests.
Rights of Rivers
In 2023 Matthew Bird at Lewes District Council (LDC) submitted a “Rights of the River” motion. Passed by 27 votes to 2, this meant that LDC, in partnership with local community groups and other relevant parties, would develop a charter over the next two years outlining the rights of the River Ouse. It was agreed that the charter would align with the Universal Declaration of River Rights (UDRR) developed by the Earth Law Center. The UDRR sets out that, as a minimum, all rivers will have:
1. The right to flow
2. The right to perform essential functions within its ecosystem
3. The right to be free from pollution
4. The right to feed and be fed by sustainable aquifers
5. The right to native biodiversity
6. The right to regeneration and restoration
Path by River Ouse near Lewes
Through public engagement activities, consultations and a range of experts, including the Ouse and Adur Rivers Trust and Sussex Wildlife Trust, the Rights for the River Ouse Charter was published in February 2025. It includes all six of the fundamental rights established by the UDRR, alongside two additional rights: the right to exist in its natural state and the right to an active and influential voice. The latter is particularly noteworthy, as it endeavors to provide the River Ouse with a voice, ensuring its interests are represented and considered in all matters that affect it.
The Rights for the River Ouse Charter was inspired by the wider Rights of Nature movement, which is being championed worldwide. The central pillar of the movement is the acknowledgement that all life on Earth — rivers, mountains, trees and everything in between — is deeply interconnected and has the right to exist and thrive, just as human beings do. It represents a radical shift in how we view nature, moving from one of dominance to one of interdependency. Another important element of the movement is that humans are responsible for enforcing these rights on behalf of other living entities.
The implementation of Rights of Nature legislation dates back a couple of decades. In response to the dumping of toxic waste that would impact human health and the environment, Tamaqua Borough, Pennsylvania, enacted the first Rights of Nature law in 2006. The movement has evolved rapidly since then, and many other communities in the US have followed suit. A major milestone for the movement came in 2008, when Ecuador became the first country to enshrine the Rights of Nature, called Pacha Mama, into its national constitution. In fact, these rights were enforced against the Ecuadorian government in 2021 over mining concessions issued in a protected forest, Los Cedros. The Constitutional Court ruled that these concessions had to be revoked, and that the government's failure to conduct studies looking at the fragility of Los Cedros, coupled with the uncertainty of the effects from the permitted mining activity, “violates the rights of nature to exist and regenerate”.
Rights of Nature frameworks are not substitutes for pollution controls or planning regulations; they enhance them with something essential: the belief that nature has a stake in its own future, and that those who harm it should be held to account.
Appointing a Guardian for the River
The publication of the Rights for the River Ouse Charter in February 2025 marks a beginning rather than an end. A symposium held in October 2025 in Newhaven explored the question of how the charter can lead to changes in planning decisions, water management and regulatory practice.
Fifty-eight people gathered, representing environmental groups, water companies, local authorities, and community organizations. Attendees included academics, lawyers, artists and policymakers. The focus was on how the river’s rights can be embedded in the decision-making processes and governance structures that shape its future. The most immediate need was to appoint a guardian/representative to speak on behalf of the river in relevant proceedings.
The charter cannot, on its own, require a developer to redesign a floodplain scheme or force a water company to stop discharging sewage. What it does is establish a precedent: a formally adopted statement of principle by a democratically elected local authority that the river is not infrastructure but a living entity with interests that deserve representation. In a planning system that has historically treated rivers as constraints to be engineered around rather than places to be protected, this shift in framing is vital.
The Future of the Living River
When the Ouse rises, Lewes is reminded of what it is: a town built on a floodplain, whose future is determined by a river it cannot fully control. This town’s story is not unique as, like all places on earth, nature, whether that be a river or otherwise, defines the lives of those who share its resources and space. This relationship requires attention and respect, and the charter is, among other things, a formal commitment to do exactly that.
Horses in Lewes Brooks (grazing marshes), Rodmell, Lewes
Environmental law comes from changes in how societies understand their relationship with the natural world, usually starting in places where people are close enough to nature to see first-hand the repercussions of its degradation. The community of Tamaqua enacted the first Rights of Nature law because they could see what was happening to their land and had exhausted all other options. Lewes is doing something similar: articulating a relationship that has always existed and asking whether the law might catch up.
The Rights for the River Ouse Charter may be seen one day as the point when this question was first articulated in the UK. Or it could endure as a local declaration of intent, significant to the community but incapable of breaking through into national policy. What is undoubtable is that the river continues to make its case: in the otters and seals that swim upstream, in the winter floods that remind Lewes of its limits, and in the chalk streams whose clarity or murk tells the story of how the land above them is being used.
In a country where most rivers fail to meet basic ecological standards, and where the gap between environmental hopes and environmental reality grows wider each year, the act of listening to our rivers is overdue. The Ouse has been flowing for longer than Lewes has existed. With luck, and with the attention it is now being given, it will be flowing long after the rest of us are gone.
Statue facing the River Ouse in the garden of Monk’s House, residence of the writer Virginia Woolf
All photos by Georgia Woodroffe
