Between Two Lakes: Interlaken's High-Alpine Thrill Seekers' Paradise

There's a moment on the funicular up to Harder Kulm when the twin lakes of Thun and Brienz split the valley below you like a pair of impossibly blue eyes, and the Eiger-Mönch-Jungfrau trilogy fills the southern sky. That's when you understand why Interlaken has been pulling adventurers off their couches since the 1800s. This isn't a place you visit. It's a place you do — by jumping out of helicopters, riding century-old steam trains to ridgelines, and walking behind waterfalls that drain an entire glacier. Here's how to pack all of it into three perfectly sequenced days.

Getting there

Fly into Zürich Airport (ZRH), the cleanest gateway to the Bernese Oberland. Book premium economy — the extra legroom and real meal service matter on a transatlantic crossing, and you'll land rested enough to drive straight into the mountains instead of wasting a recovery day in Zürich. From baggage claim to Interlaken is roughly two hours on the A8, one of the most scenic motorway-to-mountain transitions in Europe: industrial Mittelland flattening into lake country, then a sharp left turn into the Alps.

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Day 1

Morning — Jungfraujoch, Top of Europe. Start with the crown jewel. The Jungfrau Railway climbs from Interlaken to Europe's highest railway station at 3,454 meters, tunneling through the Eiger's north face along the way. Budget a solid five hours round-trip. Up top: the Sphinx observation terrace, the Ice Palace, and a snowfield that'll make your phone camera feel inadequate. Tickets run ~$220–$250 round-trip; verify when booking. Go early — the first departure gets you above the clouds before day-trippers clog the platforms.

Afternoon — Harder Kulm. Back in Interlaken by mid-afternoon, take the 10-minute funicular up to Harder Kulm (1,322 m). The Two Lakes Bridge viewing platform is the single best photo spot in the region — both lakes, the town below, the Jungfrau massif behind you. The funicular runs ~$35–$40 round-trip; verify when booking. Grab a beer on the restaurant terrace and let your legs remember what flat ground feels like.

Evening. Dinner in Unterseen's old town, a five-minute walk across the Aare. Keep it simple: rösti, local wine, an early night.

Day 2

Morning — Trümmelbach Falls. Drive 20 minutes into the Lauterbrunnen Valley to Trümmelbach Falls, Europe's largest subterranean waterfalls. Ten glacier-fed cascades thunder inside the mountain — you ride a tunnel lift up and walk down through the spray. It's loud, it's wet, it's elemental. Entry is ~$12–$15; verify when booking.

Late morning — Interlaken Tandem Paragliding. Back in Interlaken by midday for the main event. A tandem paragliding flight launches from the slopes above town and floats you over both lakes for 15–20 surreal minutes. No experience needed — your pilot handles everything while you try to keep your jaw closed. Flights run ~$180–$220; verify when booking. Alternatively, if you want the most extreme option on the menu, Interlaken Skydiving offers tandem helicopter jumps from 4,000–4,300 meters above the Alps (~$400–$450; verify when booking). Either way, you'll earn lunch.

Afternoon — Adventure Park Interlaken. Walk off the adrenaline at Adventure Park Interlaken on Wagnerenstrasse — a serious rope park with 14 courses, 160 climbing elements, and platforms up to 23 meters high. This isn't a children's playground; the upper courses will test your grip strength and your relationship with heights. Entry runs ~$45–$55; verify when booking.

Late afternoon — Interlaken Alpine Coaster. Cap the day at the Interlaken Alpine Coaster at Goldey — a bobsled-style track that whips you down the mountainside on rails. Pure, childish fun after a day of genuine thrills. Rides are ~$10–$15; verify when booking.

Day 3

Morning — Brienz Rothorn Railway. Drive 25 minutes east to Brienz for the Brienz Rothorn Railway, a historic steam cog railway that hauls you to the summit with views of 693 peaks. The coal-fired locomotive and wooden carriages haven't changed much since 1892. Round-trip tickets run ~$75–$95; verify when booking.

Midday — Aabach Gorge. Continue east toward Meiringen and hike into Aabach Gorge near Sundlauenen — a cool, mossy slot carved by meltwater. It's a moderate walk and a perfect counterweight to the railway's passive grandeur. Free or minimal entry; verify seasonal access when booking.

Afternoon — Swiss Raft or Schynige Platte. Choose your closer. Swiss Raft in Wilderswil runs white-water rafting tours on the Lütschine and surrounding rivers (~$100–$130; verify when booking) — a fitting, soaking finale. If your legs have one more push, the nostalgic cogwheel railway from Wilderswil to Schynige Platte (1,967 m) rewards you with a panoramic alpine garden and one last 360-degree view of everything you've just conquered (~$55–$70 round-trip; verify when booking).

Where to stay

Victoria Jungfrau Grand Hotel & Spa is the undisputed grande dame — lake views, a world-class spa, and a location that puts you steps from both funiculars and the town center. Expect ~$400–$700/night depending on season; verify when booking. For something more intimate but still polished, Hotel Interlaken — one of the oldest hotels in the region, dating to the 1300s — offers a quieter garden setting at ~$180–$300/night; verify when booking. Both keep you central enough to walk to dinner and morning departures.

Getting around

Pick up a rental car at ZRH — you'll want it for the Lauterbrunnen Valley, Brienz, and the gorge hike, all of which are 20–40 minutes from Interlaken with zero public-transit hassle. Swiss motorways are immaculate; just buy a vignette (~$42) at the border or the airport. Parking in Interlaken is straightforward and most hotels offer it.

What to skip & when to go

Skip the Jet Boat on Lake Brienz — it's fine, but you already have enough water-based adrenaline with the rafting. Don't try to squeeze Grindelwald First into this itinerary; it deserves its own day, and you'd be rushing. The ideal window is mid-June through mid-September: the cogwheel railways to Schynige Platte and Brienz Rothorn are seasonal, and Trümmelbach Falls runs at full fury with summer snowmelt. July and August bring peak crowds and peak prices; early June and September offer the same weather with thinner lines.