Isar River in Scharnitz – View of the Isar loop from Seefeld in Tirol

Bike touring routes & trails

Austria

Tyrol

Bezirk Innsbruck-Land

Region Seefeld – Tirols Hochplateau

Seefeld in Tirol

Isar River in Scharnitz – View of the Isar loop from Seefeld in Tirol

Hard

4.8

(830)

3,567

riders

Isar River in Scharnitz – View of the Isar loop from Seefeld in Tirol

04:31

66.0km

770m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: September 23, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 15.0 km for 3.06 km

Open: • April 1-October 31 (otherwise dismount required)

After 23.1 km for 2.64 km

Open: • April-October (otherwise dismount required)

After 26.6 km for 292 m

Open: • April-October (otherwise dismount required)

After 27.7 km for 2.64 km

Open: • April-October (otherwise dismount required)

After 35.3 km for 3.06 km

Open: • April 1-October 31 (otherwise dismount required)

Waypoints

Start point

Train Station

Get Directions

13.7 km

An der Isar

Highlight • Other

Upper Isar Valley

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14.2 km

Isar River in Scharnitz

Highlight • River

The Isar presents itself here as a wild, cyan-blue mountain stream with crystal-clear water and extensive, bright gravel beds.
Dreamlike and an absolute highlight.

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18.2 km

View of the Isar River and the Karwendel Mountains

Highlight • Viewpoint

The path leads upstream through the Hinterautal, framed by the mighty, steep rock faces of the Karwendelgebirge.
Here at the highest point of the tour, the valley presents itself in its full beauty.

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18.4 km

View of the Isar River and the Karwendel Valley

Highlight • Viewpoint

Just do something good for your feet and soul. Let your gaze wander and relax... 🤗

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18.8 km

View of the Isar River in the Karwendel Nature Park

Highlight • Viewpoint

Great panoramic views everywhere along the way

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19.9 km

The cycle path along the upper Isar from Scharnitz to the source of the Isar is easy to ride on and leads through an extremely attractive landscape through which the turquoise and sometimes wild Isar flows.

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26.7 km

Kastenalm

Highlight • Mountain Hut

Great Alm with a great offer that invites you to linger.

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39.1 km

View of the Isar

Highlight • Viewpoint

The trip to the shore is definitely worth it!

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43.5 km

Riedboden

Nature Reserve

66.0 km

End point

Train Station

Way Types & Surfaces

Way Types

40.1 km

16.0 km

8.92 km

977 m

118 m

Surfaces

33.8 km

26.6 km

5.43 km

131 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,220 m)

Lowest point (920 m)

Weather

Friday 6 November

2°C

-1°C

73 %

Additional weather tips

It’s going to be cold. Wrap up warm and watch out for ice.

to get more detailed weather forecasts along your route

Comments

August 25, 2022,Fahrradtour zur Kastenalm

Ascent from Mittenwald to the gorge bridge is quite steep, at Gasthof Gletscherschliff there is a short stretch due to steps (approx. 150 m). Not recommended on busy weekends.

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September 26, 2024,Leutasch - Isarsprung, Kastenalm, Riedboden, Mittenwald und Achweg

Today a beautiful tour in a Karwendel valley to the Isarsprung and the Kastenalm. From Leutasch mostly downhill to Scharnitz. From here it goes along a forest road through a very beautiful Karwendel valley past the Isarsprung to the Kastenalm. Lots of photo points along the way cause short breaks. Then a delicious hot elderberry on the mountain pasture. Now …

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September 27, 2024,Isarquellen im Karwendel 27.09.

From Seefeld to Scharnitz and further into the Upper Isar Valley to the springs. Via Mittenwald, then following the Leutascher Ache uphill, we then went back to Seefeld.
The descent down the Bodenbach towards Scharnitz is great.

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August 13, 2025,11. Mittenwald-Isarquellen-Seefeld

When in Mittenwald, you obviously have to visit the Isar springs. With the temperature still pleasant, we set off toward Scharnitz and then along the Isar River toward the springs. Here, you have to park your bike for a moment and walk the few hundred meters to the springs. We returned the same way, turning off toward Seefeld in Schwanitz. …

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August 28, 2022,Endlich wieder im Karwendel 😁

Finally back in this beautiful area. I took it easy on the first day. Mittenwald - Leutasch - Seefeld - Scharnitz - Isarsprung - Mittenwald. The weather was mixed and started with low clouds from which the sun broke through from time to time. Shortly before the finish, the rain got me.

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July 22, 2025,Isar 4 Mittenwald - Isarquelle - Mittenwald

This stage took us from Mittenwald to the source of the Isar River and on to the Kastenalm. Since we stayed in Mittenwald for two nights, we were also able to visit the Leutasch Gorge and explore Mittenwald. The Nature Park Center in Scharnitz is also highly recommended. It was the best stage of the entire tour. There's nothing to …

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August 7, 2025,Radtour zum Isarursprung und zur Kastenalm mega Tour mit jähem Ende 🙈

What a dreamy tour along the Isar River to its source in Scharnitz. A postcard-perfect idyll around every corner. At the Kastenalm, I stopped for some refreshments. I wanted to enjoy the return trip to the fullest. Until, shortly after setting off, I realized I'd lost my wallet with all my credit cards, ID, and driver's license. Searching for it …

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September 7, 2026,Alpenregion Karwendel - Isarursprung - Kastenalm

The start of today's tour is directly at the Hotel Gröbl-Alm in Mittenwald. After just under a kilometer, we are directly in Mittenwald at the violin maker monument and cycle through the village. After just under 2 ½ km we cross the Isar and ride past the raftsman monument to cross the Isar again after approx. 3 km.

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