Hakone-en, on the shore of Lake Ashi, is one of those places that’s easy to underestimate if you only think of Hakone in terms of onsen. It’s a genuine multi-purpose destination — part lakeside resort area, part aquarium, part animal park — and if you’re building a day around Lake Ashi, it’s one of the most convenient bases to work from.
A Lakeside Hub, Not Just a Bath Stop
What sets Hakone-en apart from most of the other properties on this site is that it isn’t primarily a bathing destination — it’s a lakeside leisure complex, with entry to the grounds themselves free of charge and individual attractions priced separately. That makes it a flexible option: you can drop in for just the aquarium, just the ropeway connection, or spend a full day moving between attractions.
Japan’s Highest Aquarium
The Hakone-en Aquarium sits at roughly 723 meters above sea level, which locally gets it billed as the highest-altitude aquarium in Japan. The signature attraction is the Baikal seal show — seals native to Lake Baikal in Russia, which is an unusual species to see in Japan and a genuine crowd-pleaser, especially for visiting kids. The aquarium is open from 9:00 to 16:30 (last entry 30 minutes before close, with seasonal adjustments), and admission runs ¥1,600 for adults and ¥800 for children aged 4 through elementary school.
Getting Out on the Lake
Hakone-en is also a departure point for Hakone Sightseeing Cruise boats on Lake Ashi, with 40- and 70-minute course options. Combined with the nearby Hakone Komagatake Ropeway, it’s easy to string together a half-day loop of lake views and mountain views without much backtracking. If you’re doing the classic Hakone “loop route” that many travelers follow, Hakone-en is a natural stopping point partway through.
The Animal Park
For younger travelers, there’s also “Dakko Shite ZOO!,” a hands-on animal park open 10:00 to 16:00, where kids can get up close with a range of small animals. Admission is ¥1,500 for adults and ¥1,300 for children aged 4 through elementary school.
Booking and Tickets
Aquarium tickets are available through Klook, which is convenient if you’re already using it to book other Hakone activities, as well as through KKday and Rakuten Travel Experiences. This makes Hakone-en one of the easier stops on this list to pre-book from overseas, since it doesn’t require navigating a Japanese-only ticketing system.
If You Want an Overnight Stay on the Lake
Hakone-en shares its grounds with The Prince Hakone Lake Ashi, a hotel property right on the lakeshore. If you’d rather not treat Hakone-en as a day stop and want to wake up to the lake view instead, staying at the adjacent hotel is worth considering as an alternative to basing yourself in Gora or Hakone-Yumoto. The Prince Hakone Lake Ashi has its own onsen, the Hakone Lakeside Onsen, drawing on the Takogawa hot spring source, with separate men’s and women’s outdoor bathing areas.
Best Time to Visit
Lake Ashi’s weather can be changeable, and on clear days you can sometimes catch a view of Mt. Fuji across the water from around the Hakone-en area, though this is very weather-dependent and not something to count on. Mornings tend to have better visibility than afternoons, so if a Fuji view matters to you, it’s worth building an earlier start into your day.
Access
Hakone-en sits on the Lake Ashi shoreline; most visitors reach it by bus as part of a wider Hakone loop itinerary, often connecting from Togendai or Moto-Hakone. If you’re combining it with the ropeway and a lake cruise, it’s worth mapping your route in advance so you’re not backtracking across the lake.
Dining and Shopping
The Hakone-en complex has a handful of casual dining and snack options for a mid-day break between the aquarium, the ropeway, and a lake cruise, along with souvenir shopping typical of a major Hakone attraction. It’s not a destination for a formal meal, but it covers the basics well enough that you don’t need to leave the area to refuel during a full day out.
Frequently Asked Questions
How much time should I set aside for Hakone-en?
A couple of hours is enough for the aquarium alone; if you’re adding the animal park, ropeway, and a lake cruise, plan for closer to half a day.
Is Hakone-en included in the Hakone Free Pass?
Discounts and inclusions tied to regional passes change over time, so it’s worth checking the current terms of whichever Hakone transit pass you’re using before you go.
Can I combine a visit here with the Hakone Ropeway and Owakudani?
Yes — Hakone-en connects well with the Komagatake Ropeway and the wider Hakone loop route that many travelers follow, which typically also passes through Owakudani and Togendai.
More Hakone Reviews
- Hakone Sengokuhara Prince Hotel, a nearby base with its own onsen and easy access to the susuki fields
- Hakone Kowakien Yunessun, if you want to pair the lake with a more playful water-park stop
Who Hakone-en Is For
This is a strong pick for families or anyone who wants to pair Lake Ashi scenery with a couple of hours of easy, low-effort activities — the aquarium and animal park are genuinely well suited to younger travelers, and the lake cruise and ropeway connection make it easy to build into a bigger day rather than treating it as a standalone stop.
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