Hiking & nature

From Trub via Höstulle and Grüebli up to the Napf

Trub-Fankhaus-Höstulle-Grüebli-Napf-Mettlenalp (11.4 km, 3 hours 50 minutes)

In the autumn of 2018, a new three kilometre-long path was opened between Trub and Fankhaus. The hike begins with this section of the path, which now closely follows the River Trueb and the Fankhusbach stream. In Fankhaus, you leave behind the noise of the water and follow the existing descending path to the left as far as Lenn. The route then branches off to the right and rises after Buechi to continue along the ridge via Höstulle to Grüebli. From here, the path rises steeply uphill for one last time around the Schlegelgrabe up to the Napf. Finally, there is an approximately one-hour descent to Mettlenalp.


Key data

Walking route Trub–Fankhaus–Höstulle–Grüebli–Napf–Mettlenalp
Distance 11.4 km
Walking time 3 hours 50 minutes
Level of difficulty medium

Also possible as a two-day hike from Friday to Saturday or Saturday to Sunday in combination with the «Holzbrücken-Trub path section–Langna i. E.» walk. Overnight stay at the Landgasthof Löwen country hotel.

Further information

Availability & How to get there Today (Saturday) open

Operating times, BLS hiking bus

  • The «Trub, Löwenplatz» bus stop is served by BLS buses every day.
  • Buses operate from the «Mettlenalp (Napf)» stop between 1.5.-31.10.2021 on Saturdays and Sundays only and on general public holidays.

Subject to change without prior notice

Getting there and back

Take the train to Trubschachen and continue on bus no. 284 to “Trub, Löwenplatz”; return journey: From “Mettlenalp (Napf)” take bus no. 284 (BLS hiking bus)


The normal public transport fares apply to the BLS Hiking Bus.

Food & drink

BLS suggestion

Enjoy a multi-day tour on the Napfbergland border trail. Between May and October, Eurotrek offers three different package options incl. luggage transport and accommodation:

Napf option:                          Langenthal / St. Urban – Trubschachen (4 days)
Brienzer Rothorn option:        Trubschachen – Brünigpass (4 days)
Border trail option:                 Langenthal / St. Urban – Brünigpass (entire route: 7 days)


Advice and bookings available at all BLS Travel Centres


Info and online booking

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