Best lakes in Interlaken-Oberhasli are characterized by diverse natural beauty, from deep blue glacial waters to warm, clear swimming spots. This Swiss region, nestled in the Bernese Alps, features prominent lakes like Thun and Brienz, alongside numerous smaller alpine lakes. The area offers a variety of natural landscapes, including panoramic mountain views and historic sites along the shorelines. Visitors can explore a range of aquatic environments and surrounding trails.
Last updated: April 23, 2026
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Hikes to the melting giants of the Alps – glaciers
A peaceful, atmospheric hike above Axalp – perfect for unwinding 🌿. The trail leads across alpine meadows 🌼 and through light forests 🌲, offering frequent views of the turquoise waters of Lake Brienz 💙. Upon reaching Hinterburgseeli, pure tranquility awaits: clear water, beautiful reflections, and an impressive mountain panorama 📸✨. In winter ❄️, the lake is particularly magical: often frozen over, framed by snow, and far removed from the hustle and bustle 🤍. Depending on snow conditions, it's easily accessible as a winter hike or with snowshoes 🥾❄️. ... 📌 Facts & Figures 🥾 Distance: approx. 5–8 km (depending on starting point) ⏱️ Duration: 2–3 hours ⛰️ Elevation gain: approx. 300–450 m ⚠️ Difficulty: T2 / in winter WT1–WT2
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Swimming is permitted, barbecues are allowed at official fire pits.
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Wonderful turquoise-blue lake with holiday flair, along the shore there are car-free cycling and hiking trails
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A visit to Iseltwald is often combined with a boat trip on the turquoise-blue Lake Brienz, because especially in spring and summer there are hardly any nicer ways to be chauffeured from A to B. If you want to include a boat trip in your hiking program, it is worth taking a quick look at the BLS Schifffahrt AG timetable beforehand. This way you can plan your arrival in Iseltwald accordingly. https://www.bls-schiff.ch/de
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pretty here, pretty here
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Brilliant swimming lake and always refreshing as there are hardly any people in the water!
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Among the most popular lakes are Hinterburgseeli, a picturesque mountain lake below the cliffs of Oltschiburg, and Bachalpsee, a stunning mountain lake in the Bernese Alps where the majestic Schreckhorn reflects in its waters. Visitors also highly appreciate Engstlensee, a beautiful natural reservoir with blue-turquoise water.
For swimming, Burgseeli in Goldswil is known for its unusually warm waters. On Lake Thun, the Neuhaus Lido offers excellent facilities. Both Lake Thun and Lake Brienz are popular for various water activities like boat trips, surfski paddling, stand-up paddleboarding (SUP), and kayaking.
Yes, Lake Brienz is famous for its striking turquoise color, fed by glacial meltwater. Blausee (Blue Lake) is renowned as one of Switzerland's clearest lakes, displaying incredibly vivid emerald green and blue hues. Engstlensee also features beautiful blue-turquoise water.
The shores of Lake Thun are dotted with five historic castles, including Thun Castle, Oberhofen Castle (with its turret over the water), Spiez Castle, Schadau Castle, and Hünegg Castle. Many offer museums, gardens, and scenic views. Additionally, the mystical St. Beatus Caves, with their impressive stalactites and waterfalls, are located near Lake Thun.
Many lakes offer family-friendly options. Hinterburgseeli is accessible via the beautiful Schnitzlerweg trail from Axalp, making it suitable for families. The Neuhaus Lido on Lake Thun is a great spot for families to swim and relax. Boat trips on Lake Thun and Lake Brienz are also popular family activities.
The region offers numerous hiking trails. You can reach Bachalpsee via a leisurely path from the First mountain station. The Lake Thun panoramic circular trail offers scenic views. For more challenging mountain hikes near the lakes, you can explore routes in the Mountain Hikes in Interlaken-Oberhasli guide.
Yes, there are various cycling routes. For road cycling, you can find routes like the 'Oberhofen Castle – View of Lake Thun loop' in the Road Cycling Routes in Interlaken-Oberhasli guide. Mountain biking enthusiasts can explore the 'Brienzersee Bike Route' or the 'Bachalpsee Loop' in the MTB Trails in Interlaken-Oberhasli guide.
For panoramic views, consider taking a cable car up mountains like Niesen, Stockhorn, or Niederhorn, which offer stunning 360-degree vistas of Lake Thun and the Bernese Alps. The Two lakes footbridge - Harder Kulm viewing platform provides excellent views of both Lake Thun and Lake Brienz. The Augstmatthorn Summit also offers a great perspective of Lake Brienz.
Yes, the impressive Giessbach Falls are a major highlight near Lake Brienz. These waterfalls tumble in fourteen stages over 500 meters directly into the lake. You can reach them by boat and even dine at the historic Grandhotel Giessbach, accessible by funicular from the boat landing stage.
The summer months (June to September) are ideal for enjoying water activities, hiking, and the lush green landscapes. Spring (April-May) offers blooming flowers and fewer crowds, while autumn (October) provides stunning fall foliage. Some higher alpine lakes like Bachalpsee might be partially frozen or inaccessible in early spring or late autumn.
The main lakes, Lake Thun and Lake Brienz, are well-served by public transport, including train connections to Interlaken and boat services on the lakes themselves. Many smaller lakes, like Oeschinensee and Bachalpsee, are accessible via cable cars followed by a hike. For specific routes and schedules, it's recommended to check local transport information.
Visitors frequently praise the breathtaking natural beauty, especially the vibrant turquoise and deep blue colors of the water set against the dramatic alpine backdrop. The variety of activities, from serene boat trips to invigorating hikes and refreshing swims, is also highly valued. The peaceful atmosphere and stunning reflections of the mountains in the water are often highlighted as memorable experiences.


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