Bremgarten–Jonen Route – Lake Flachsee near Unterlunkhofen

Bremgarten–(Unterlunkhofen Lake Flachsee)–Jonen (Route 231)

Lake Flachsee near Unterlunkhofen is a popular and well-known recreational destination. On weekends when the weather is nice it draws many visitors from near and far.

Lake Flachsee is a reservoir created during the construction of the Bremgarten-Zufikon power plant and the general improvement of the Reuss plain in the fall of 1975. It was specially designed as a 40-hectare nature reserve for water birds and is the only biotope specifically established for water birds in Switzerland. It is well known among bird watchers for its wide variety of species and especially for rarely seen birds.

Additional information

Buy ticket

Buy your ticket from the SBB Shop or SBB Mobile app. You can also buy a ticket from the driver, at all ticket terminals, PostBus sales offices and at the counter of your nearest railway station.
Additional ticketing apps and online shops can be found in our overview.

Timetable / travel information

You will find the entire Swiss public transport timetable online here.

Timetable no. 50.231

Route open all year

Special comments:
During hours of service, postbuses operate daily with hourly departures.
Hours of service are as follows:
Monday - Friday: 5.30 a.m. – 9.00 p.m.
Saturday: 6.00 a.m. – 7.00 p.m.
Sunday: 7.00 a.m. – 7.00 p.m.

Monday - Saturday: from 10.00 p.m. Kellerämter Nachttaxi. A supplement of CHF 5.00

Bicycle transport

No bicycle transport fixtures available in/on the vehicle

Wheelchair accessibility

Limited wheelchair access to the postbus

Contact details


PostBus Ltd
Sector North
Bahnhofstrasse 61
5001 Aarau

Opening hours

Information available by telephone
Monday to Friday: 8 a.m.–12 noon / 1:15–5:00 p.m.