In 2003, a businessman bought a 23,000-acre estate to restore it; now it's home to a million trees and red squirrels

An English businessman who purchased a traditional 23,000-acre hunting estate in Scotland in 2003 has spent more than two decades reshaping its heavily grazed terrain, planting one million native trees and successfully reintroducing red squirrels to the glens. Paul Lister acquired the Alladale estate in Sutherland, roughly an hour's drive north of Inverness, at a time when it was primarily used for traditional pursuits such as deer stalking and salmon fishing.

Over the course of 23 years, the property has evolved into the Alladale Wilderness Reserve, now serving as both an eco-tourism destination and a major ecological restoration effort in the Scottish Highlands.

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From grazing land to growing woodland

At the time of purchase, centuries of intensive grazing by red deer and sheep had stripped away much of the estate's native woodland, leaving it largely bare. Scotland's ancient Caledonian Forest survives today in only about one per cent of its original extent. To allow the land to regenerate, reserve managers erected fencing around large sections to exclude grazing animals and launched an extensive tree-planting initiative.

In partnership with local environmental organisations and forestry teams, the estate has since planted one million native trees, among them Scots pine, birch, rowan, alder and willow. As this new woodland matured, it began supplying the food sources and shelter needed to support wildlife species that had long vanished from the glens.

Red squirrels reintroduced to the Highlands

Once native pine and broadleaf trees had taken root, Alladale partnered with conservation charity Trees for Life to reintroduce red squirrels to the region. The squirrels were relocated from thriving populations elsewhere in the Highlands and released into the expanding woodland, and monitoring teams have since confirmed that the animals are breeding and spreading into new territory.

The reserve's restoration efforts also extend to its peatlands, where damaged bogs are being repaired to improve carbon storage and water retention across the catchment area. Separately, Alladale participates in a national breeding programme for the critically endangered Scottish wildcat, working alongside the Royal Zoological Society of Scotland to maintain a captive breeding population with a view to eventual release into the wild.

Eco-tourism funds the conservation work

The restoration work is funded largely through high-end eco-tourism. Alladale operates three catered lodges for guests, including the Victorian-era Main Lodge, Eagle's Crag and Ghillie's Rest, with visitors able to take part in guided nature walks, 4x4 wildlife safaris and educational tours covering the estate's conservation and research activities.

Speaking to Rewilding Magazine, Lister reflected on how land across Europe has been reshaped by human use: "If you fly from London to Istanbul, you will fly over nothing but a manifested landscape where we just literally dug, cut and plowed. And you think to yourself, what are the Scottish Highlands being used for? Over 100 years they've been more used for sporting pursuits, to serve a Victorian ideal. And also sheep farming. Neither of which, really, increases or improves the biodiversity of the land, or gives much in the way of livelihood to the communities in the area."

Lister also pointed to the economic potential of shifting away from traditional field sports. "Conservation restoration, rewilding, gives opportunity to tourism," he told Rewilding Magazine. "That field sport pursuit, in the UK, is vanishing. I'd rather be part of the new growth industry than something that is on its last legs. Our landscape now is very different from what it was 18 years ago when I bought Alladale. You can see there's clear evidence of lots of restorative work, and more vegetation and less deer running around."

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Wolf and bear proposal sparks debate

Although the tree-planting and red squirrel initiatives have drawn praise, Lister's broader ambitions for Alladale have proven more contentious among local residents, farmers and landowners. Drawing inspiration from the ecological recovery seen at Yellowstone National Park following the reintroduction of apex predators, Lister had initially proposed enclosing the 23,000-acre estate within a high fence and reintroducing Eurasian wolves and brown bears, with the goal of examining whether top predators could naturally curb deer populations and stimulate vegetation growth through shifts in the food chain.

The proposal met with significant resistance from neighbouring landowners, farmers concerned about potential livestock attacks, and outdoor access groups worried about implications for Scotland's legal right to roam. Consequently, plans for the wolf enclosure have been shelved, with the reserve instead concentrating on habitat restoration, the Scottish wildcat breeding programme and visitor education.

Pieter-Paul Groenhuijsen, General Manager of Alladale Wilderness Reserve, addressed a common misunderstanding about the project's philosophy in comments published by Leisure Lab: "A common misconception that I encounter is that rewilding means without humans. It's really the opposite. Rewilding is about humans. It starts with us. It's a change of mindset. It's about coexistence and reassessing our place among nature, as guardians, as safekeepers, and our imbalance with nature."

Groenhuijsen also stressed that restoration on this scale requires a generational outlook rather than short-term expectations. "We'd like to see results, but this is a legacy project," he told Leisure Lab. "It's for future generations. We don't see a mature forest here now. We planted almost a million trees so far. We want to see them when they're mature, but it's not for us."

Education programmes set to expand

According to the Alladale Wilderness Reserve, the estate intends to broaden its education initiatives further, with local school groups welcomed annually to learn about Highland wildlife, peatlands and forest development. Over more than two decades, the project has shifted Alladale from a conventional sporting estate into a sustained effort to restore native woodland and wildlife across Scotland's Highlands.