Some days, you just need to get out – but without spending hours getting there.
If you’re based in Zurich and craving a peaceful nature escape that can be reached in under an hour, Lake Hallwil might be exactly what you’re looking for. It’s scenic, quiet, and still feels like a hidden gem – often overlooked by tourists.
With its calm water, gentle rolling landscapes, and relaxed atmosphere, it’s perfect for a low-effort day trip that still feels like a proper reset.
On a sunny Saturday in mid-April, I set out to walk along the lakeshore from Beinwil am See to Hallwyl Castle, which is one of Switzerland’s most beautiful moated castles. The route is easy and dotted with plenty of beautiful spots to stop along the way.
In this guide, I’ll show you exactly how to do this Lake Hallwil walk, including how to get there, what the trail is like, and a few great places to stop along the way.
How to get to Lake Hallwil
One of the things I love about this walk is how easy it is to reach, especially from Zurich. Take the train to Lenzburg and then change onto S9 directly to Beinwil am See, which is where I started my walk.
Getting back is just as simple. From Hallwyl Castle, bus 395 takes you back toward Lenzburg. You can either stay on the bus all the way or hop off in Seon and change to the S9 train again.
The whole journey from Zurich takes around an hour, which makes it perfect for a relaxed day trip without much planning.
Trail Overview
A Sweet Start at the Local Bakery in Beinwil am See
The hike starts at the train station in Beinwil am See, a village with just under 4,000 residents that is located on the western shore of Lake Hallwil.
From the station, you simply follow the yellow signs toward Hallwyl Castle.
Before properly setting off, I made a quick stop at a local bakery called Gysi, which you’ll pass on your way down to the lake. It’s the perfect excuse to pick up something sweet for later—I grabbed a treat for a lakeside picnic.
From there, you simply follow the road downhill until it leads you onto a small path through a lush green ravine. It’s a lovely transition from village to nature. When I visited in April, the forest floor was covered in wild garlic, adding both color and that unmistakable spring scent.
Arriving at Lake Hallwil
After about 700 meters you will reach the Strandbad (public bathing area) of Beinwil am See.
The lido is open from May to September. Outside of the bathing season, you can walk straight through the area, but during summer you’ll need to take a short detour around it. Since I visited in April, it was still off-season, and I could simply stroll through without any restrictions.
The Strandbad itself is well-equipped, with diving boards (1m and 3m), a floating raft in the lake, and a gently sloping shoreline – ideal for families with children. I can easily imagine this being a lively and fun place to spend a full day during summer.
From there on, the path pretty much sticks to the lakeshore.
Sometimes it’s a wide gravel path, other times a narrow trail, but you’re almost always right by the water. On one side, the lake; on the other, meadows and blooming trees.
It’s very easy walking, no big effort required.
Rest Stops & Nature Along the Way
After about 20 minutes, I came across a lovely picnic area with benches and a fireplace – very typical for Switzerland and perfect for a short break.
A bit further along, the path leads into a protected nature area. The landscape becomes slightly wilder, with more reeds lining the water’s edge.
The Lake Hallwil Nature Reserve is an important habitat for wildlife. Many bird species live here, and even beavers have returned to the area. If you’re visiting with a dog, it’s important to keep them on a leash and respect the surroundings.
One of the highlights here is a section of wooden boardwalks, offering beautiful views across the reeds and out over the lake.
Forest Paths, Swim Spots & a Perfect Lunch Break
Not long after, the trail leads into a short forest section. Right at the entrance, there’s another fireplace. What I liked most here though was the little fountain hidden in a tree trunk. I stopped there to refill my water bottle.
A bit further on, I reached the public bathing area in Birrwil. It’s simple but has everything you need: benches, changing cabins, a floating raft in the lake, a fireplace, and even a toilet – all free to use.
About five minutes further, near the boat landing, you’ll find Hotel & Restaurant Schifflände, beautifully located right by the water with a large terrace overlooking the lake. It’s definitely a tempting place to stop for a longer break.
I decided to keep going just a little longer, because only a few minutes further along, there’s another bathing spot in Boniswil, again with all the essentials like toilets and a fireplace.
And that’s where I decided to stop for lunch.
Around Boniswil with its Reed Area
Shortly after the bathing area, the trail leaves the lakeshore. This is because of the protected Boniswil reed area, which you need to walk around.
Covering around 40 hectares, it’s the largest and most species-rich wetland in the canton of Aargau. Over 300 plant species and around 140 bird species have been recorded here, which is pretty impressive for such a compact area. Since 1998, the entire zone has been strictly protected and cannot be accessed.
And honestly, I think that’s a good thing.
Not every place needs to be explored – some are better left undisturbed so nature can thrive.
The trail briefly climbs uphill along a quiet paved road past a residential area. Looking back, you’re rewarded with a beautiful view over Lake Hallwil and the surrounding countryside.
Soon after, the path becomes a narrow trail again, passing orchards and open farmland.
Then it briefly cuts through another small neighborhood before opening up into wide, easy paths through the countryside again.
A Hidden Swim Spot by the Aabach
Just before you start following the Aabach, there’s a small, easy-to-miss turn-off on the right.
It’s not signposted in any obvious way, so you could easily walk straight past it, but if you spot it, it’s definitely worth the short detour.
It leads to a quiet little bathing spot by the river. The Aabach flows gently here, winding its way through a small, green floodplain. It’s calm, a bit tucked away, and feels almost like a hidden corner compared to the busier lakeside path.
I stopped here for a while and can imagine how lovely it must be to come here in the summer for a swim. There’s also a fireplace, so it’s a great spot for a longer break if you have the time.
Hallwyl Castle – One of Switzerland’s Most Beautiful Moated Castles
From there, it’s just a short walk along the river until you reach Hallwyl Castle.
The castle sits right in the water, connected by a wooden bridge, and it’s exactly how you’d imagine a classic moated castle.
What I didn’t realize before visiting is just how much history is behind this place.
The origins of the castle go all the way back to the 11th or 12th century, when the Lords of Hallwyl built a first stone tower on a small island in the Aabach. Over time, it was expanded into a proper moated castle with two separate sections – front and rear islands – surrounded by defensive walls and water.
For more than 800 years, this was the family seat of the Hallwyls, who were closely connected to the Habsburgs and played an important role in the region.
Later on, the castle gradually changed from a defensive fortress into a more comfortable residence but like so many noble families, the Hallwyls also struggled financially over time.
Luckily, the castle didn’t fall into ruin. In the 20th century, Wilhelmina von Hallwyl stepped in and helped preserve it, and since 1925, it’s been open to the public.
Today, it’s part of the Aargau Museum and is open to visitors from Tuesday to Sunday, typically between 10:00 and 17:00 (entry fee: CHF 14 for adults). The castle is usually closed during the winter months and open from April through October. For the latest information on opening times and guided tours, it’s best to check the official website before visiting.
If you have the time, I’d definitely recommend going inside. The museum gives a really nice insight into life at the castle – not just the noble family, but also the people who lived and worked here. You’ll also find archaeological finds and learn more about how the castle developed over the centuries.
Just across the road, you’ll also find a historic mill that is still in operation today and well worth a visit.
And if you’re anything like me, there’s a good chance you’ll end up sitting down at the little bistro or one of the comfy lounge chairs afterwards – relaxing and feeling happy with how the day turned out.
Best Time to Do This Hike
One of the nice things about this walk along Lake Hallwil is that you can actually do it all year round.
That said, I personally enjoy it most from spring to autumn.
In spring, everything starts to bloom; the trees, the meadows, the whole landscape just feels fresh and full of life. Summer is perfect if you want to combine the hike with a swim, as there are plenty of spots along the way to cool off in the lake or by the river. And in autumn, the colors along the lakeshore can be really beautiful, especially on a sunny day.
Winter is definitely quieter and has its own charm, but some places along the route can feel a bit more empty, and of course, swimming isn’t really an option unless you’re very brave.
If you’re planning to visit Hallwyl Castle as part of the hike, it’s best to come between April and the end of October. The castle is closed during the winter months, so while you can still walk around the outside, you won’t be able to go inside.
So overall this is a very flexible hike, but for the full experience, spring to autumn is definitely the best time to go.
Where to Eat Along the Way
If you don’t feel like carrying a picnic, here are a few nice options along the route:
- Strandbad Beinwil am See
Ideal for a quick snack or drink in warmer months when the swimming area is open.
- Hotel & Restaurant Schifflände
Probably one of the nicest spots along the way. It’s right next to the boat landing and got a lovely terrace. Perfect if you feel like treating yourself a little.
- Bistro Schloss Hallwyl
A great option at the end of the hike, especially if you’re visiting the castle and want to sit down for a drink or a small bite before heading back.
That said, I personally still love bringing my own picnic on hikes like this. There are so many beautiful spots along the lake with fireplaces, benches, or just quiet corners by the water that it almost feels like a waste not to stop somewhere and enjoy it.
Final Thoughts
This walk from Beinwil am See to Hallwyl Castle turned out to be one of those simple but really satisfying days out. Nothing too demanding, no dramatic climbs—just a beautiful lakeside path, a bit of nature, and a castle waiting at the end.
What I like most about this region is how easy it is to step slightly off the usual tourist routes and still find places that feel special without being overcrowded or overdone.
If you enjoyed this kind of day – slow travel, nature, and a bit of history – there are quite a few other great excursions around Zurich worth exploring.
For example, a hike around Lake Pfäffikon or Lake Greifensee is just as easy to reach by public transport and offers equally peaceful lakeside walks, often with birdlife, reed landscapes, and quiet paths.
If you’re more into castles, I can also highly recommend a visit to Kyburg Castle. It’s one of the best-preserved medieval castles in the region and feels a bit like stepping back in time.
And if you’re staying in the Aargau area, there are a few other castles worth adding to your list: Lenzburg Castle, Wildegg Castle, and Habsburg Castle. Each has its own character – from hilltop views to beautifully preserved interiors.
In the end, it’s really just about picking a direction, hopping on a train, and seeing where the day takes you. Switzerland makes that part surprisingly easy.
