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ParkRheinland-Pfalz, Germany

Naturpark Vulkaneifel

Come to the Vulkaneifel for volcanic lakes you can walk around, hills that reveal their crater shapes and a gentle introduction to watching wild birds.

About

Come to the Vulkaneifel for volcanic lakes you can walk around, hills that reveal their crater shapes and a gentle introduction to watching wild birds. For a first family visit, choose Schalkenmehren for an easy-to-follow lakeside circuit, or Ulmen for the Jungferweiher birdwatching path and the narrow Maar-Stollen tunnel.

This nature park is a landscape of villages, farmland, woods and volcanic features spread across the western Eifel. The region is also a UNESCO Global Geopark. Pick one starting area and give it time; Ulmen and the Dauner Maare are separate outings, rather than stops on one short walk.

At Schalkenmehren, look beyond the water. The lake occupies the western part of a double maar, while the eastern basin has filled with wetland vegetation. The contrast between open water, rushes and wooded slopes gives children something concrete to compare. Higher up, the Weinfelder chapel and Dronketurm belong to the longer, hillier walking landscape.

Ulmen feels different. Jungferweiher is a shallow wetland in a much older volcanic hollow, reflooded in 1942. Birds use its water, damp grassland and sheltered margins. Start by sitting quietly at the public observation station on the western shore: a few unhurried minutes looking through binoculars can be more rewarding than trying to name every distant bird. Be ready to snap and learn! Get the Snappit app to identify any nature species you find here.

The nature park was inaugurated in 2010, and UNESCO Global Geopark recognition followed in 2015. Its characteristic maars formed when rising magma met water underground and explosive activity opened craters. Ulmen adds a human story: its medieval tunnel was built to direct water towards mills. It still carries water between the two basins and opened to public visitors in 2023.

What to do here

The Rundweg Schalkenmehrener Maar is a 3 km circuit with 22 m of ascent, starting and finishing at Maarstraße 2 in Schalkenmehren. Its asphalt surface makes a useful family option, although a roughly 300 m section slopes more than 6%. Pause at the long lakeside bench and compare the open lake with the vegetated basin. Parking approaches beyond the named start are extra.

At Jungferweiher, start at the walking car park opposite the campsite on Am Jungferweiher. Plan for the 3.2 km car-park circuit described in the access information, rather than relying on the shorter 2.7 km headline on the trail card. Watch from the bird station, then try the QR-code stories along the path. The optional tunnel visit is separate: from its lakeside path junction, the 40 m approach and 126 m passage give about 330 m out and back if you retrace both fully.

For experienced young walkers, HeimatSpur MaareGlück normally links the three Dauner Maare on an 11.4 km loop with 327 m of ascent from Maarstraße 2. Keep this full hike for a day when the forestry restrictions near Gemündener Maar have been lifted, or tourist information has confirmed an official diversion. Do not improvise a way around barriers.

Seasonal info

Forestry closures began on 12 October 2026 on the Lieserpfad from Gemündener Maar towards Weiersbach and on Eifelsteig sections near Altburg; check GesundLand’s Wege-Info before planning the longer hike. At Ulmener Maar, a current algae warning asks visitors to avoid water contact and prevent dogs drinking. This warning is not a notice closing the tunnel. Tunnel gates normally open 06:00–22:00 April–October and 08:00–18:00 November–March. Daun’s volcano museum ends its regular 2026 season on 31 October; check winter arrangements before relying on it.

Accessibility

Schalkenmehren’s asphalt loop still has a sustained slope over 6%. Jungferweiher’s compacted-surface circuit is step-free, but published measurements include a 10% slope over 15 m and crossfall up to 15% near the treatment works. Ask Ulmen tourist information about current conditions and assistance needs. The tunnel’s first 23 m from Jungferweiher are spacious; farther in, it narrows to about 70 cm. The path beyond its Ulmener Maar exit is not an accessible continuation. MaareGlück has hills and uneven paths and is not presented here as a wheelchair or pushchair route.

Don't miss

1

Volcanic lake and wetland views on Schalkenmehren’s 3 km circuit

2

Wild birds from Jungferweiher’s public observation station

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Exposed geological layers inside the Ulmener Maar-Stollen

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Crater models and real volcanic rocks in Daun’s museum

Walks and routes

Rundweg Schalkenmehrener Maar

A short lake circuit with time to look across the double maar and stop at the 65 m bench. Keep the long crater-hill hike as a separate choice.

The paved surface helps with wheels, but assistance may be needed on the slope. The lido’s listed toilets are a separate facility: confirm access outside its operating season.

Rundweg Schalkenmehrener Maar

Jungferweiher car-park circuit

A wetland walk with a public birdwatching station and phone-based stories. Use slow observation stops to give the outing its shape.

Ask tourist information to help choose the direction and route for your needs. The report offers a parking-to-tunnel return of a little over 2 km to avoid the treatment-works section; it does not require traversing the narrow tunnel.

Jungferweiher car-park circuit

HeimatSpur MaareGlück

The longer crater-landscape day links Schalkenmehrener, Weinfelder and Gemündener Maar, the Maarkreuz, Weinfelder chapel and Dronketurm area.

For walkers comfortable with a sustained hilly outing. The short lake loop’s asphalt description does not apply to this wider circuit.

HeimatSpur MaareGlück

A lakeside half-day

Choose the 3 km Schalkenmehren loop, make the bench your snack stop and leave time for a meal in the village. This is the straightforward short outing. A lido visit in swimming season requires a separate check of opening and admission.

Birds and a little underground adventure

Give Jungferweiher the morning. Take binoculars to the observation station, try a few QR stories and add only as much of the tunnel as suits your group. Plan 2–3 hours as an editorial estimate, with extra time if birds hold your attention.

A longer day when the trails reopen

Once the forestry access issue is resolved, make MaareGlück the main event and bring lunch. Its 4–5 hour editorial family allowance leaves room for viewpoints and rests. A museum visit afterwards depends on your finish time and the museum calendar.

Things to try

Build a crater comparison

From the Schalkenmehren path, sketch a simple bowl shape and mark the open lake and the plant-filled basin. Ask which part looks wet even without open water. Leave rocks and plants where they are; photographs make better take-home clues.

Three ways a bird uses water

At Jungferweiher, try recording a bird swimming, one resting and one flying. Children can draw shapes before worrying about names. Keep a quiet five-minute watch as an editorial family activity, then compare what each person noticed.

Look through time in the tunnel

Within the open visitor passage, look for changes in the layers exposed along the walls. The tunnel was made for water management, so the engineering story is as interesting as the rocks. Turn back before the narrow part if anyone feels uncomfortable.

Work out how a maar forms

At Eifel-Vulkanmuseum, Leopoldstraße 9 in Daun, compare three-dimensional landscape models with the lakes you have seen outside. Original volcanic rocks and minerals make the subject tangible. Allow 1–1.5 hours as an editorial estimate. During the regular season it opens Tuesday–Sunday; winter guided visits need advance arrangements.

Wildlife and habitats

Scan exposed wet margins from the observation station for a crouching, brown-striped bird with a very long, straight bill. Snipe blend into vegetation remarkably well. Let a hidden bird remain hidden; walking into the marsh would disturb exactly the habitat you came to enjoy.

Check low perches and grassy edges for a small streaked brown bird. A singing bird may rise and float back down, but pipits need care to identify. Stay on the path and use a photograph or field guide rather than approaching the vegetation.

Look among the small ducks feeding near the shallows. A male in breeding plumage has a chestnut-and-green head; females are mottled brown. Spring and autumn passage are useful times to watch here, without assuming that a flock will be present.

Listen for carrying, trumpet-like calls and check the sky as well as distant fields. Cranes can pass overhead without landing. If birds are resting, watch from the established path or observation station and give them the quiet they need for their onward journey.

An osprey is a lucky visitor to notice above the water. Look for long wings, a pale underside and a dark stripe through the eye. It may hover before plunging for a fish. Enjoy any encounter from where you are; no local nest is implied.

Watch for a large dark waterbird with a long neck, sometimes resting with both wings spread. The outstretched-wing pose is a useful identification clue. Photograph from the public observation place, and leave resting birds enough space to settle.

Shallow wetland and crater lake

Jungferweiher’s shallow water and wet margins give visiting birds places to feed and rest. Schalkenmehren shows a different contrast between open lake and fen. These settings are worth observing from public paths, without entering the vegetation to search for animals.

Stories and discoveries

A lake that was brought back

Jungferweiher occupies an old maar that had filled in. Reflooding in 1942 created today’s shallow water, so the age of the volcanic basin and the age of the present pond are very different things.

Two basins, different lives

Schalkenmehren’s western basin holds a lake, while its eastern basin supports fen vegetation, including sedges and wet grassland. A maar can remain recognisable in the landscape after open water has disappeared.

A waterway beneath your feet

Ulmen’s tunnel once served mills and still channels water between the basins. Its 2023 opening gave visitors a close view of rock layers that had been hidden from ordinary sightseeing for centuries.

When to visit

Autumn choices

An autumn Ulmen visit can combine migration watching with the tunnel, whose gates change to the shorter winter schedule in November. For the Daun area, check the forestry notices before a long walk and remember the museum’s 31 October 2026 season end. Do not rely on an open museum to rescue an overlong winter hike.

Getting there and practical advice

Plan breaks around the villages

Schalkenmehren has places to eat near the walk; take water and snacks for the hills. Jungferweiher’s walking car park is listed as free, with two designated disabled spaces and a Eurokey toilet at the campsite. Confirm toilet access before a visit that depends on it. The museum’s entrance charge is separate from outdoor walking.

Use the named starts

For Schalkenmehren, the route provider lists bus 560 from Daun towards Bad Bertrich. For Ulmen, it lists bus 700 on the Gerolstein–Daun–Ulmen–Cochem corridor. Check the VRT or VRM journey planner for your date, exact stop, last return and final walking approach. No bus-stop approach distance is included in the circuit totals.

Look beyond the accessibility label

Jungferweiher’s linked assessment was valid through September 2026; ask Ulmen tourist information for current advice before travelling. Its measurements describe useful surfaces and seats but also substantial local slopes. The tunnel approach itself reaches 7% over 20 m. Wheelchair and pushchair users can explore the spacious entrance area without committing to the 70 cm pinch points. Daun’s museum has ramp access and no internal steps, though detailed doorway and toilet requirements should be checked directly.

Sources and useful links

Wildlife you might spot

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Each card links to a full Explore page with photos, traits, and fun facts.

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Good to know before you go

Choose your trailhead

For the lake circuit, navigate to Maarstraße 2, Schalkenmehren. For Jungferweiher, use the walking car park opposite the campsite on Am Jungferweiher in Ulmen.

Check the return bus

The route providers list bus 560 for Schalkenmehren and bus 700 between Gerolstein, Daun, Ulmen and Cochem. Check the current journey planner and walking approach for your actual stop.

Bring your own water

Several regional mineral springs currently carry do-not-drink notices. A bubbling spring is not an assurance of drinking-water quality.

Keep birdwatching quiet

Use the public path and observation station, leave wet margins undisturbed and keep dogs close on a lead. Binoculars help much more than moving nearer.

Pack for the ground

Grippy shoes suit the crater hills; rain and fallen leaves can make sloping paths slippery. Bring a layer for exposed viewpoints.

Check the toilet plan

Jungferweiher’s campsite toilet for disabled visitors is listed as Eurokey-operated. Confirm availability and bring the key if you use one.

Keep a charged phone handy

Ulmen’s QR-code stories add a playful layer to the walk. Some Jungferweiher stories offer Easy Language and sign-language versions.

Frequently asked questions

The nature park covers a lived-in region with many separate starting points. Choose a named car park or trailhead. The Ulmener Maar-Stollen is free to enter during its gate hours; the Daun museum charges admission.
The asphalt Schalkenmehren circuit is the simplest surface choice here, provided you can manage its slope. Jungferweiher has a firm, step-free surface but substantial local gradients and crossfall. A short distance alone does not make either route suitable for every chair or buggy.
Swimming is prohibited at Jungferweiher and Weinfelder Maar. Schalkenmehren has a designated natural lido with its own season and rules. At Ulmener Maar, avoid water contact while the algae warning remains in force. Do not treat every lake shore as a swimming entrance.
No. These are wild birds recorded at Jungferweiher, with several appearing on migration. The shy snipe may stay hidden, while an osprey is a fortunate encounter. The suggestions do not describe captive displays or promise sightings.
Try the Eifel-Vulkanmuseum at Leopoldstraße 9 in Daun for landscape models, rocks and explanations of eruptions. Check its seasonal opening first. The tunnel is only a short part of an otherwise outdoor Ulmen visit.

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