Background

Farum Lake (Farum Sø)

A tranquil woodland lake looped by a 10 km trail, rich in birdlife, legends and gentle outdoor adventures just northwest of Copenhagen.

4.6

Fringed by beech forest and dotted with story-laden islands, Farum Lake is a tranquil freshwater escape in Furesø Municipality, just northwest of Copenhagen. A 10 km waymarked path traces the shoreline, offering gentle hiking, running and cycling with constant water views, birdlife and pockets of deep woodland. In summer, locals slip in for a swim or hire rowing boats, while year-round it’s a peaceful slice of North Zealand nature that feels surprisingly wild for somewhere so close to the city.

A brief summary to Farum Lake

  • Furesø Municipality, DK
  • Duration: 1.5 to 4 hours
  • Free
  • Environment icon Outdoor
  • Mobile reception: 4 out of 5

Local tips

  • Walk the full Farum Søsti loop (around 10 km) clockwise so the best open views across the lake unfold gradually as you leave town behind.
  • Bring insect repellent in late spring and summer, especially for evening walks when mosquitoes are more active near the reed beds.
  • If you plan to swim, wear water shoes for comfort on the natural lakebed and check local water-quality updates before going in.
  • Pack layers and a windproof jacket outside high summer; breezes across the open water can feel cooler than in the forest.
  • Rowing boats are seasonal; visit on a summer weekend or holiday period if hiring a boat is important to your plans.
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Getting There

  • S-train and short walk

    From central Copenhagen, take S-train line B toward Farum; the journey typically takes 30–35 minutes. Trains usually run every 10–20 minutes during the day and are covered by standard zone tickets, with a one-way adult fare in the range of 40–60 DKK depending on ticket type. From Farum Station it is roughly a 15–25 minute walk on local paths to reach the eastern end of the lake; the route is mostly flat and suitable for most walkers but not ideal for heavy luggage.

  • Regional bus from North Zealand

    If you are already in North Zealand, buses connecting nearby towns such as Værløse or Birkerød to Farum generally take 15–30 minutes, depending on the route and starting point. Standard bus fares are usually 24–36 DKK for shorter hops within a few zones. Services can be less frequent in the evening and on weekends, so it is wise to check the timetable in advance. Most buses stop within walking distance of the town side of Farum Lake on paved, accessible streets.

  • Car from Copenhagen

    By car from central Copenhagen, allow about 25–35 minutes in normal traffic to reach Farum and the lake, using the main outbound routes toward North Zealand. Fuel and operating costs vary, but for planning purposes a return trip can be considered in the 60–120 DKK range depending on vehicle and distance driven. Parking near the lake is generally free in signed areas but can be limited on warm summer days; some spots are gravel or forest-edge car parks rather than structured garages.

  • Cycling from the Copenhagen suburbs

    Strong cyclists can reach Farum Lake from western or northern Copenhagen suburbs in about 45–70 minutes by following the regional cycle network that threads through green corridors toward Furesø Municipality. There is no direct cost beyond bike rental if needed; a day rental typically ranges from 100–200 DKK for a standard bicycle. Expect a mix of paved cycle paths and quieter local roads, generally flat but occasionally rolling, and be prepared for wind exposure on open stretches.

Farum Lake location weather suitability

  • Weather icon Any Weather
  • Weather icon Clear Skies
  • Weather icon Mild Temperatures
  • Weather icon Cold Weather
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Discover more about Farum Lake

Forest-Framed Waters on Copenhagen’s Green Edge

Farum Lake stretches out in the Mølleå valley, a calm sheet of water framed by dense woodland on its southern and western shores and the town of Farum to the north. Despite its proximity to Copenhagen, it feels distinctly rural: reeds whisper along the banks, tall beech trees lean over the water, and the light shifts constantly across the lake’s surface. This is the third-largest lake in the Mølleå river system, fed by the Hestetangså stream and draining east via the short Fiskebæk into neighbouring Furesø. Motorboats are banned, so you hear oars, birds and wind rather than engines, which gives the entire basin a hushed, almost old-fashioned atmosphere.

Nature Reserve and Bird Sanctuary

Farum Lake forms part of a protected nature reserve between Farum and Slangerup, designated both as a habitat area and an EU bird protection site. That status has helped preserve a mosaic of wetlands, reed beds and mature forest that shelters an impressive variety of species. On still days you can watch ducks, grebes and swans threading quiet paths across the water, while diving ducks such as goldeneye and tufted duck often congregate in deeper areas. Marsh harriers circle low over the reeds in summer, and ospreys sometimes pause here on migration, using the lake as a hunting ground. Mink trapping and ongoing habitat management underline how actively the landscape is being looked after.

Legends of Islands and Lost Silver

Two small islands punctuate the lake: Svaneholm and the larger Klavs Nars Holm, the latter privately inhabited. Their low silhouettes and tree crowns break the horizon, adding a sense of mystery to the views from shore. Over centuries they have inspired stories blending royal courts, jesters and hidden wealth. Local lore tells of Klavs Nar, a jester in the service of King Valdemar IV, who was allegedly granted the island on the condition he built a house and lived there. Another tale speaks of a royal silver dinner service that slipped overboard from a boat returning from nearby Farumgård manor and disappeared into the depths. Whether or not the treasures are real, the legends add a playful narrative layer to an otherwise tranquil landscape.

Walking, Running and Rowing the Shoreline

The best way to experience Farum Lake is to follow the Farum Søsti, a roughly 10 km loop trail that circles the water. The path undulates gently through forest, along open stretches of shoreline and across occasional clearings that reveal wide lake panoramas. It suits walkers, runners and confident cyclists, with several benches and simple rest spots along the way. Every kilometre, carved stones by artist Olaf Johannisson appear beside the path, their reliefs depicting local animals and subtly guiding your progress. In places the trail overlaps with longer pilgrimage routes, so you may notice shell symbols and route markers hinting at journeys that reach far beyond the lake.

Summer Swims and Quiet Adventures

In warm weather, the northern shore near Farum becomes a relaxed bathing area, with informal access points where people wade in from the bank. The lake’s water quality has improved considerably over recent years, and while there are no lifeguards, confident swimmers often treat it as a natural outdoor pool. At the eastern end, small rowing boats can be hired in season, allowing you to explore coves and reed-fringed inlets at your own pace. Anglers are drawn to the lake’s deeper slopes and wooded banks, while families often opt for picnics in sun-dappled clearings. Even in winter, the path stays appealing for brisk walks under bare branches and low northern light.

Atmosphere Through the Seasons

Farum Lake changes character with the months. Spring brings birdsong and young green leaves; summer stretches long evenings of soft light over the water. Autumn cloaks the surrounding forest in copper and gold, reflected in rippled mirror images across the lake’s surface. On cold, clear days, the combination of crisp air, distant church towers from Farum and the still water gives the area an almost meditative feel. Whether you come for an hour’s stroll or a full circuit, the impression is of a compact landscape that manages to balance gentle recreation with real ecological value, making Farum Lake a rewarding green escape in North Zealand.

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