If you’re wondering about the best things to do around Lake Thun, you’re in the right place. This local guide highlights castles, caves, scenic walks and hidden spots to help you plan a memorable visit. For up-to-date tips and practical info, check your SwissHut Digital Guidebook — you’ll find opening times, booking links and special offers there during your stay.
Table of Contents
Explore Castles and Historic Sights
The Lake Thun region is dotted with historic castles, each with a unique lakeside view. Visiting these spots is one of the classic things to do Lake Thun style — easy to reach, rich in stories, and perfect for photos.
Thun Castle
Sitting proudly above Thun’s old town, the 12th-century castle has a museum and viewing tower. You’ll find opening times and family tips in your guest guidebook.
Oberhofen Castle
Famous for its turret stretching over the water, Oberhofen Castle has lush gardens and lakeside picnic areas. Check your guidebook for seasonal hours.
Spiez Castle
Nestled among vineyards, Spiez Castle has a romantic church and lawns ideal for an afternoon break. Combine your visit with a stroll through the nearby marina.
Go Underground at St. Beatus Caves
Looking for something unusual? St. Beatus Caves are a local favourite when you’re after unique Lake Thun attractions. The limestone caves wind through waterfalls and hidden chambers above the lake’s edge.
- Open March–November
- Ticket details in your guidebook
- Café terrace with panoramic views
For practical directions and parking, see your digital guide.
Take a Lake Thun Boat Trip
When you ask lake thun what to do, locals will say: get on the water. Regular boats link Thun, Spiez, Beatenbucht and Interlaken. Some boats are historic paddle steamers.
Why it’s worth it:
- Hop off at castles or small villages
- Combine your boat trip with an easy hike
- Sunset cruises in summer
Schedules and booking details are in your guest guidebook.
Discover Scenic Walks and Hikes
Gentle lakeside walks are some of the most rewarding things to do around Lake Thun. You don’t need hiking boots for every trail — many are smooth paths between villages.
Ideas to try:
- Beatenbucht to St. Beatus Caves (easy, shaded)
- Sigriswil to Aeschlen via the Panorama Bridge
- Merligen to Gunten, with wild swimming spots
Niederhorn’s cable car gives you stunning mountain-to-lake views. Look up trail details in your digital guide before you set off.
Cross the Panorama Bridge in Sigriswil
If you’re after unique Lake Thun activities, the Panorama Bridge in Sigriswil is a local highlight. This suspension bridge spans 340 metres over a deep gorge. On a clear day, you’ll see the Eiger, Mönch and Jungfrau mountains.
- Small entrance fee, supports maintenance
- Open year-round (except bad weather)
- Combine with a short village loop walk
Practical info is in your guest guidebook.
Swim and Relax by the Lake
In summer, nothing beats a dip in Lake Thun. The water stays cool but refreshing, usually 18–20°C in July and August.
Popular spots:
- Strandbad Thun: large lido with diving platforms
- Spiez Lido: family-friendly with picnic lawns
- Natural coves near Merligen
Always check conditions, follow local safety signs, and bring a warm layer for after.
Taste Local Food & Wine
Food is part of any sightseeing Lake Thun day. Eat fresh perch (Egli), sip local Spiez wine and enjoy cheeses from small farm shops.
Good ideas:
- Lakeside café in Oberhofen Castle gardens
- Vineyard tastings in Spiez (ask in the guidebook for details)
- Picnic spots along the Panorama Trail
Family-Friendly Fun
Families won’t run out of ideas for things to do in Thun lake area.
- Playground stops by the lake in Spiez and Thun
- Mini-golf and paddleboard rentals
- Easy boat trips with child discounts
Check your digital guide for updated family tips.
Seasonal Tips for Lake Thun
Spring: Castles reopen, walking trails are quiet.
Summer: Boat trips run daily. Swim spots are busy but fun.
Autumn: Vineyards glow gold. Good for photo walks and wine tastings.
Winter: Castles have reduced hours. Christmas markets light up Thun.
FAQs
Can you swim in Lake Thun?
Yes, there are public lidos and hidden natural spots. Always check signs.
Are the castles open all year?
Most close or run limited hours in winter. Check your guidebook.
What is the best free thing to do around Lake Thun?
Village walks, lakeside paths, and picnic spots.
How long should I stay?
A day covers 2–3 stops. Stay 2–3 nights to see the full region.
Do the boats run year-round?
Main services run April–October, limited winter routes.
Best castle to visit?
Oberhofen is the local favourite for gardens and the turret on the lake.
Plan Your Lake Thun Stay
Your Digital Guidebook has live info, easy directions and local booking tips. Open it during your stay for discounts and practical ideas.
Combine your day trips with a local chalet or lakeside apartment for the best Lake Thun experience.