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Old Grimsel Pass Road Tunnel – Understock loop from Haslital

Routes

Mountain biking trails

Old Grimsel Pass Road Tunnel – Understock loop from Haslital

Moderate

4.5

(4)

riders

Old Grimsel Pass Road Tunnel – Understock loop from Haslital

01:51

21.5km

620m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 12, 2026

Waypoints

Start point

Bus stop

Get Directions

169 m

Guttannen Fountain

Highlight • Rest Area

Open your eyes and don't drive past them (which happens quickly, as I know from my own experience): Here you can refill your drinking bottles again, which is very useful in warm weather. Because from now on nothing comes to the Grimsel Pass. Incidentally, here in Guttannen you have the opportunity to take a short, traffic-free alternative route far away from the (sometimes quite annoying) Grimselstrasse.

Translated by Google •

Tip by

1.24 km

View of the Oberland Mountains

Highlight • Viewpoint

4.75 km

Old Grimsel Pass Road Tunnel

Highlight • Trail

Beautiful piece of the old Grimsel pass These are the better parts of the climb. Characteristic, beautiful nature and nice and quiet.

Translated by Google •

Tip by

6.65 km

Grimsel Pass Road – Flat Valley Section

Highlight (Segment) • Cycleway

It starts in Innertkirchen. And initially very gently. But don't worry: this is going to be a real challenge! So it's best to briefly enjoy the flat passage to warm up. The first steep section is already lurking around the next bend. ;)

Translated by Google •

Tip by

9.96 km

Start of the Old Grimsel Pass

Highlight • Mountain Pass

12.9 km

Understock

Highlight • Settlement

21.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

8.51 km

7.20 km

3.98 km

1.24 km

463 m

< 100 m

Surfaces

15.8 km

2.66 km

1.55 km

1.15 km

194 m

< 100 m

Elevation

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

Weather

Tuesday 25 August

18°C

10°C

35 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

Comments

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Old Grimsel Pass Road Tunnel – Understock loop from Haslital

Guttannen Fountain

View of the Oberland Mountains

Old Grimsel Pass Road Tunnel

Grimsel Pass Road – Flat Valley Section

Start of the Old Grimsel Pass

Understock

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