Tyresta National Park

Tyresta National Park

Twenty kilometres south of Stockholm's city centre, the motorway noise fades and you step into forest that has never been logged. Tyresta National Park protects one of the largest remaining areas of primeval coniferous forest in the south of Sweden — 2,000 hectares of Scots pine and Norway spruce that have grown, fallen, and regenerated without human intervention for centuries. Some pines here are over 400 years old, their gnarled trunks bearing fire scars from blazes that swept through long before Sweden was industrialised.

The Landscape

The Old Forest

What makes Tyresta exceptional is not dramatic peaks or waterfalls but ecological integrity. In a country where virtually all productive forest has been logged at least once, Tyresta's core zone has remained untouched. The result is a forest structure you rarely see in Scandinavia:

• Multi-aged stands — Trees of all ages from seedlings to 400-year-old veterans, unlike the uniform ages of managed forests
• Standing dead wood — Critical habitat for hole-nesting birds, bats, and wood-boring beetles
• Fallen logs — In managed forests, dead wood is removed; here it lies where it falls, supporting over 1,000 species of fungi and lichen
• Natural gaps — Created by wind, disease, and fire, these gaps let light reach the forest floor, enabling regeneration without clear-cutting

The 1999 Fire

In August 1999, a wildfire — started by careless campers — burned approximately 450 hectares of Tyresta's forest. Initially devastating, the fire has become one of Sweden's most valuable ecological study areas. Fire is a natural process in boreal forest (Tyresta's fire scars prove it has burned many times before), and the burned area has revealed how forest regenerates after fire:

• Pioneer species (birch, aspen) colonised quickly
• Fire-dependent species (fire morel mushroom, certain beetles) appeared within months
• The contrast between burned and unburned areas provides research data available nowhere else in southern Sweden

Wildlife

Despite its proximity to a capital city of over one million people, Tyresta supports forest wildlife that has vanished from most of southern Sweden:

• Pygmy owl and Tengmalm's owl — Small boreal owls dependent on old forest with natural cavities
• Three-toed woodpecker — Indicator species for old-growth conifer forest
• Black woodpecker — Europe's largest woodpecker; excavates cavities used by other species
• Roe deer — Common; visible especially at dawn and dusk
• Wild boar — Increasing population; rooting activity visible along trails
• Badger — Present but nocturnal; sett mounds visible near trails
• Adder — Sweden's only venomous snake; found on sunny rock slabs in spring and autumn

Visiting Tyresta

Trails

Tyresta is laced with well-marked trails of varying length and difficulty:

Facilities

• Naturum Tyresta — Visitor centre in Tyresta village with exhibitions, guided walks, and a café
• Tyresta village — Historic hamlet with traditional red-painted buildings; starting point for most trails
• Swimming — Several forest lakes with rocky shores (no facilities)
• Camping — Permitted within the park under Allemansrätten (Right of Public Access) rules; designated fire sites only

Getting There

• Bus: Line 807 from Gullmarsplan metro station (Stockholm) to Tyresta village — approximately 40 minutes
• Car: Via route 73 south from Stockholm, exit Svartbäcken. Parking at Tyresta village (fee applies on summer weekends)
• Bicycle: Cycleable from Stockholm via suburban bike routes

Stockholm nature day trips — Tyresta, Björnö, and the best nature experiences near the capital

Mushroom foraging — Chanterelles, porcini, and the art of Swedish svampplockning