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Intro

From baroque Solothurn along the meandering Aare to Dreiseenland (three lakes country). Just 130 years ago, this landscape was redesigned by man: the lake level lowered and marshes drained. Seeland is now the scene of intense vegetable cultivation.

Description

Solothurn, Switzerland’s foremost baroque city is alive and well, especially on sunny days when everybody flocks to the Aare River. Hares, migratory birds and water fowl in Grenchen’s Witi nature protection zone are enjoying a more or less healthy eco-system of national significance. Be sure to stop in Altreu for a delicious fish dinner. Storks have resettled here in 1948, and in 2008 Altreu was named the “European Stork Village” by the Euronatur Foundation. Every spring the females are laying between two and six eggs in their rooftop nests. Just listen to the noisy clattering of the beautiful birds. The Witi-Altreu information centre (mid-April to mid-October) provides information about the rich nature area on the Aare between Grenchen and Solothurn.

Taking a boat from Solothurn to Biel is a spectacular way to travel: passengers waving on the left and the Jura Mountains with Mount Weissenstein, etc. looming on the right. The covered wooden bridge in Büren an der Aare, built in 1821, had to be rebuilt in 1991 after an arson attack. Part of the so-called “Old Aare” was reserved for the Häftli nature preserve, a branch that cut off the Nidau-Büren channel (built after the correction of the Jura waters) from the Aare’s original course. Following this channel, leaving the bilingual city of Biel behind, will soon take you to Lake Biel. Large vegetable fields and posters advertising vegetables sold directly from the farms are an obvious sign that you are on the way to Switzerland’s vegetable gardens.

The Hagneck hydroelectric power plant, which opened in 2015, is an ecological masterpiece and one of a kind in Switzerland. Here, where the Aare flows through the Aare-Hagneck channel into Lake Biel, the colours where river and lake merge often have a fascinating structure – nature’s work of art, pure and simple. The Mittelland Route continues along Lake Biel to the medieval town of Erlach. Looking across the lake, you will see St. Peter’s Island and the pretty winegrowing villages of Twann and Ligerz. Past the campgrounds and bypassing Erlach‘s Jolimont mountain takes you to the next channel: Zihl channel, connecting Lake Neuchâtel and Lake Biel. And reaching the “Great Marsh” means that you have arrived in Switzerland’s immense vegetable gardens, in Ins where Friedrich Dürrenmatt is said to have written the famous drama “The Visit”.

An enjoyable tour includes the careful planning of the same. Please inform yourself in advance at the local information center about the route and weather conditions. Depending on the season and weather conditions, this route may be blocked or interrupted

Technical information

Show Technical information content
Start location
Solothurn
Destination
Ins
Ascent
280 m
Descent
260 m
Distance
62 km
Distance on tarred ways
41 km
Distance on natural surface
21 km
Physical requirements
Difficult
Theme
Along Water
More information https://schweizmobil.ch/en/cycling-in-switzerland/...

Route

Mittelland Route

Romanshorn - Lausanne
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All stages

Map

SwitzerlandMobility Map: This element is not accessible for disabled people.

Quick Facts

Route number

Stage: 5/7

Distance

62 km

Ascent

280 m

Travel information: Solothurn

  • Solothurn Sunset-paddling on the Aare with kayaks

    Experience a atmospheric sunset canoe tour on the Aare River and enjoy the last rays of sunlight.... from CHF 50
    Offer details


    valid: 05.09.2026

    Learn more about Sunset-paddling on the Aare with kayaks
  • Solothurn Concert: 30 August 2026 | Mozart Charms the Ladies

    All good things come in threes: For Ever Mozart In August, Mozart highlights will resonate in the... from CHF 50
    Offer details


    valid: 30.08.2026

    Learn more about Concert: 30 August 2026 | Mozart Charms the Ladies
  • Solothurn Bogenschiessen – Treffsicher wie Robin Hood

    Do you hit the mark? Traditional archery is an experience ideal for all ages to let go and focus.... from CHF 50
    Offer details


    valid: 28.09.2026

    Learn more about Bogenschiessen – Treffsicher wie Robin Hood
  • Solothurn "Beat the groom" in Solothurn: action-packed stag party

    To say goodbye to the groom in a fun way, you will go on a city rally that will take your entire... from CHF 299
    Offer details


    valid: 03.07.2026 - 11.06.2027

    Learn more about "Beat the groom" in Solothurn: action-packed stag party
  • Solothurn Polterchallenge "Hangover - Wolf Pack" by Solothurn

    The Polterchallenge "Hangover - Wolf Pack" turns your bachelor party in Solothurn into an... from CHF 250
    Offer details


    valid: 19.06.2026 - 10.06.2027

    Learn more about Polterchallenge "Hangover - Wolf Pack" by Solothurn
  • Solothurn Urban Golf in Solothurn

    Experience Solothurn actively: You stay at the youth hostel and discover the city through Urban Golf... from CHF 43
    Offer details


    valid: 13.06.2026 - 22.11.2026

    Learn more about Urban Golf in Solothurn
  • Solothurn Öufi boat cruise with Café de Paris

    A delicious entrecôte cooked on a tabletop grill, right in the middle of the Aare – sounds good?... from CHF 99
    Offer details


    valid: 24.10.2026

    Learn more about Öufi boat cruise with Café de Paris