AugustHakodate Port Festival
Hokkaido ・ Hakodate
Usually August 1–5 (fireworks on the first day, parades on the 2nd and 3rd)
Autumn Leaves · Hokkaido
Onuma Quasi-National Park
Onuma, NanaeLake🍁 Typical peak: Mid Oct – Early Nov✦ Illumination
Overview
Overview
About 40 min by car from Hakodate, this quasi-national park at the foot of Mt. Komagatake is made up of lakes and 126 islets large and small. The shores of Onuma, Konuma and Junsainuma lakes turn vivid colors, and you can enjoy the view of Mt. Komagatake across the lake with the autumn leaves.
- Address
- Onuma, Nanae-cho, Kameda-gun, Hokkaido
- Time needed
- About 1 hour to walk the island-hopping trail
- Official website
- https://www.hakobura.jp/spots/348
Area weather
HakodateWeather and what to wear in Hakodate →Peak Time
When to See the Leaves
Typical peakUsually mid-October to early November
September
October
November
December
Varies with each year’s temperatures
🍁 These spots are in their typical peak period. Actual colors shift with each year’s temperatures, so check the official foliage updates too.
This year’s special openings & events
The 2026 Onuma Autumn Leaves Halloween Night runs 10/17 (Sat)–10/18 (Sun)
Peak times are typical guides. The timing shifts with each year’s temperatures.
Highlights
Highlights
Painted maples, Daimyo oaks and other oaks color the lakeshore. Walk the trail linking the islands by bridges to see the autumn leaves together with Mt. Komagatake from spots such as Kogetsu Bridge. The yellow leaves of the street trees near Onuma-Koen Station are also lovely.
📷 Best views
Kogetsu Bridge
A bridge on the island-hopping trail, with views of Mt. Komagatake beyond the autumn leaves
Island-hopping trail
A walking path linking the islands by bridges, with the lake and autumn leaves close at hand
Illumination
Illumination & night viewing
- Period
- October 17 (Sat)–18 (Sun), 2026 (Onuma Autumn Leaves Halloween Night)
- Admission
- Free admission
About 200 pumpkin lanterns are lit from 16:00, and the islands are illuminated too. Fireworks at 18:00 on both Saturday and Sunday. Held in light rain
Admission
Admission
Walking in the parkFree
Onuma Autumn Leaves Halloween NightFree admission
Costume contest entry ¥1,000 (application required)
Prices may change. Check the official website before you go.
Access
Getting there
- Nearest station / bus stop
- Onuma-Koen Station (JR Hakodate Main Line)5 min walk
- From major stations & airports
- JR Hakodate Station: Car (About 40 min)
- By car & parking
- Onuma Park South Parking (free); Yukara Parking (paid, ¥400 per day, 160 spaces)
Crowds
Crowds & best times
- Busiest
- The area around Onuma Park Plaza gets crowded from the evening on Halloween Night
- Quieter times
- Weekday mornings
Weather
Temperature & what to wear
- Typical temperatures
- October normals for Hakodate: high 17.1°C, low 7.8°C (Japan Meteorological Agency)
- What to wear & bring
- The wind by the lake is cold, so bring something to put on, such as a windbreaker or light down jacket
Where to Stay · Agoda
Places to Stay near Onuma Quasi-National ParkPR
PR8.6函館大沼プリンスホテル
★★★★Check rates on Agoda1,915 reviews2.4 km from center
PR9.2函館大沼 鶴雅リゾート エプイ
★★★Check rates on Agoda209 reviews0.2 km from center
Prices and availability are shown on Agoda.
Events
Events & festivals in Hakodate
August
DecemberHakodate Christmas Fantasy
Hokkaido ・ Hakodate
Usually starts in late November to early December and runs until December 25
2026: Dec 1 (Tue) – Dec 25 (Fri)
Autumn Leaves
Autumn Leaves in Hokkaido
Mountain & highland
Lake
Hot spring town
Gorge
Castle
Avenue & old town🍁 Typical peakHokkaido University Ginkgo Avenue
Hokkaido ・ Hokkaido University, Sapporo
🍁 Typical peak: Mid Oct – Late Oct
Hot spring town🍁 Typical peak
Garden🍁 Typical peakMiharashi Park (Kosetsuen Garden)
Hokkaido ・ Hakodate
🍁 Typical peak: Mid Oct – Early Nov
✦ IlluminationNow on
Park🍁 Typical peakPeak periods, hours, prices and access are based on official sources such as the spot’s own website, local governments and tourism associations. Colors and event details can change, so check the official website before you go.
Last checked: 2026-10-05