Take a swan boat to the lake
Spend some time with family and friends while looking at Haruna Fuji. It is a lake experience that is easy to incorporate into a short stay.
View fares and boarding locationsA day starting from the lakeside
What should you do when sightseeing at Lake Haruna?
For half a day, combine a lakeside walk, swan boat, and cafe. If you have one day, you can also visit Haruna Shrine and Mt. Haruna Ropeway. We will show you model courses starting from Ikaho, how to spend time with children and dogs, parking and access.
4 ways to enjoy at the lake
Experience smelt fishing
If you are fishing for the first time or with children, check out what to bring and what to expect on the day. We have also compiled rental information.
See preparations and prices for beginners
Enjoy black bass fishing
Introducing the points to aim for with a boat and how to think about fishing with weed breaks in mind. Click here for boat prices and guide information.
View points/boat fees
Take a break at Cafe Suigetsu
Spend time enjoying coffee and sweets by the lake. You can take a break with your dog on the terrace.
See menu/cafe photosHow to enjoy Lake Haruna that changes with the seasons
Wild cherry blossoms in spring, the shade of trees in summer, autumn leaves in autumn, and snowy landscapes in winter. Even on the same lakeside, the scenery you can see changes depending on the season you visit.
Spring / SPRING
Wild cherry blossoms and a spring lakeside walk
When the wild cherry blossoms bloom, Lake Haruna takes on a soft spring look. Enjoy a leisurely walk while admiring the flowers with the lake and Haruna Fuji in the background.
After the walk,Cafe SuigetsuTake a break.
Summer / SUMMER
Approximately 1,000m above sea level, cool summer in the shade of trees
Lake Haruna, located at an altitude of approximately 1,000m, is also recommended as a summer escape. Why not take a relaxing break while feeling the breeze in the shade of the trees by the lake?
Spending time looking at the lake,Swan boatsGoing out on the lake is also a fun thing that can only be enjoyed in summer.
Summer night / FIREWORKS
Fireworks of Lake Haruna blooming on the surface of the lake
The Lake Haruna Fireworks Festival is usually held on the first Friday of August. The highlight is the underwater fireworks that are thrown into the lake from boats. You can enjoy the lights spreading across the lake and the fireworks in the night sky from the lakeside.
Event dates and contents may change depending on the year. Please check the organizer's instructions before heading out.
Official information for Lake Haruna Fireworks Festival
Autumn / AUTUMN
Mountains with autumn leaves and a small search for autumn leaves
Autumn is the season to enjoy the scenery of the colorful mountains and lakes. We recommend taking a stroll along the lakeside and surrounding mountains to admire the beautiful autumn leaves.
At my feet are fallen leaves and chestnut burrs. Please take a walk and enjoy not only the scenery but also the small autumn discoveries.
Autumn leaves at Lake Haruna | How to enjoy viewing, walking, and boating →
WINTER
Quiet Lake Haruna dyed white
In winter, you can enjoy the scenery of Haruna Fuji covered in snow and the lakeside. The clear skies and white mountains create a look different from other seasons.
Please come dressed warmly. Please check snowfall, frozen roads, and business conditions on the day of your visit, and enjoy the scenery from the lakeside without entering the lake.
Model course for sightseeing at Lake Haruna | Half day/full day
Below are examples of combinations. Please choose according to the weather, facility operating conditions, and your own pace.
A day around Lake Haruna and Haruna Shrine
- In the morning, go to Haruna Shrine. Allow approximately 60 to 90 minutes for visiting the shrine and walking around.
- Drive to Lake Haruna. Check route and road conditions on map
- Approximately 1 hour stroll along the lake and boat after lunch.
- Take a 30-60 minute break at Cafe Suigetsu
- If you have time, go to Mt. Haruna Ropeway.
The time allocation is an example of a plan for leisurely enjoyment. Please check each facility's business hours, final reception, and round-trip travel time before making your plans.
Haruna Shrine/ropeway informationFrom Ikaho | Half day by the lake
- 10:00 Departing from Ikaho Onsen by car
- 10:30 Arrived at Lake Haruna. Parking/Lakeside Stroll
- 11:00 Take a swan boat to the lake (20 minutes on board)
- 11:30 Coffee and sweets at Cafe Suigetsu
- 12:30 Next destination
Example plan for approximately 2 and a half hours from departure. It depends on the reception and waiting time. On days when the boat is off, the focus is on walking along the lake and visiting cafes.
Swan boat prices and business information
If fishing is your goal, go fishing for smelt in the morning.
On the Wakasagi page, we provide an example of a day based on arrival at 6:30 and return at 3:00 p.m. Please call in advance to confirm business hours and departure status.
Past records include 200 fish caught in front of Yusuge on September 1, 2026 at a depth of 8 meters, and 542 fish caught in front of the hotel at a depth of 12 meters on October 23, 2023. Records with dates and locations can be used as a reference for seasonal preparations.
These are past individual fishing results and do not guarantee the current situation or the same fishing results. Please inquire at the reception regarding the points for the day.
View past fishing results by date and pointHow to access and stop by from Ikaho Onsen
The next day after enjoying the hot spring town, head to the lake and mountain scenery. It takes about 20 to 30 minutes by car from Ikaho Onsen to Lake Haruna on Prefectural Route 33. The time required will vary depending on the inn you depart from, your lakeside destination, and road conditions.
After checking out, take a walk along the lake, take a boat ride, and take a break at Cafe Suigetsu, which opens at 11am. Why not combine spending time in nature on your way back from your trip to Gunma?
There are curves on the mountain road. Please take into account traffic jams during the autumn leaves season and snow and ice in the winter, so please allow plenty of time for your trip. Ikaho Onsen and Shibukawa Ikaho IC are separate locations.
Access/map to Lake Haruna ／ Parking lot/toilet information
Travel time reference:Tourist information around Ikaho Onsen/Fukuichi(About 20 minutes by car from Fukuichi to Lake Haruna)
Places you should visit along with Lake Haruna
Haruna Shrine
The shrine building is surrounded by a cedar grove approach and strangely shaped rocks. Go on an outing to experience the nature and religious history of Mt. Haruna.
Mt. Haruna Ropeway/Haruna Fuji
For those who want to enjoy the view overlooking the lake. We also introduce Haruna Fuji and the shrines at the top of the mountain.
Ikaho Onsen
For those who want to combine an outing at Lake Haruna with a walk in the hot spring town.
Ikaho Green Farm
A great option for a family outing where you can enjoy interacting with animals.
Event information for Haruna, Takasaki, Azuma, Shibukawa, and Ikaho
We will introduce current and upcoming events that you can enjoy along with your outing to Lake Haruna.
Dates and contents are subject to change. Please check the official information before heading out.
Lake Haruna/Haruna events
Information confirmation date: 2026-11-10
Takasaki events
Information confirmation date: 2026-11-10
Takasaki Tourism Association event and tourism information ↗
Azuma's event
Information confirmation date: 2026-11-10
Shibukawa events
Ikaho events
Information confirmation date: 2026-11-10
Shibukawa Ikaho Onsen Tourism Association event and tourism information ↗
For those going out by car
Traffic jam/road information
Check the condition of the road you will be driving on before you depart. You can check the congestion on the expressway and the general road heading to Lake Haruna separately.
Expressway/general roadCheck the current traffic jam ↗JARTIC Japan Road Traffic Information Center
Roads in Gunma PrefectureCheck road closures and road regulations ↗Gunma Prefecture Prefectural Land Development Department Disaster Prevention Information
Notice of traffic regulations associated with the event
Live camera of surrounding roads
You can check the state of roads in the Ikaho and Haruna areas using Gunma Prefecture's live camera.
before going out
Parking lot/toilet
The access page lists the restrooms in the municipal parking lot by the lake, as well as other restrooms and parking spaces. Please check the map to find the facility you are looking for before coming. Please allow plenty of time for parking and movement during busy times.
Bringing children/dogs
If you are using a boat with children, please contact us in advance to find out the method of riding that is appropriate for their age and number of people. Customers with dogs can take a break together on Cafe Suigetsu's terrace (dogs are not allowed inside the store). For information on bringing dogs on board, please contact the boat reception.
Confirmation of clothing and business hours
For a walk along the lake, wear comfortable shoes and a jacket to put on when the wind is cold. Check the weather and temperature at Lake Haruna before you leave.
Haruna Sightseeing Boat Cafe Suigetsu is located at 847 Harunako-cho, Takasaki City, Gunma Prefecture. Please see the access page for directions by car, train, and bus.
Boat operations vary depending on the weather and lake surface conditions. The cafe's business hours are approximately 11:00 to 16:00, but they change depending on the weather and day, so we recommend checking before visiting.