The sound echoing through the mountains, lights on the lake, and summer fireworks brightening Lake Sagami
Sagami-ko Kojosai Fireworks Festival
The 2026 edition of Sagami-ko Kojosai Fireworks Festival has ended.
Festival information
EVENT INFORMATION- Dates
- 2026/08/01Ended
- Season / frequency
- Every year on August 1 / Once a year
- Location
- Kanagawa Prefectural Sagami-ko Park (on Lake Sagami)
- Area
- Kanagawa Prefecture・Sagamihara City(From Tokyo: approx. 30 min–1 h · train)Prefecture-level estimate to a main station or airport, not the venue. Airport access, check-in and onward travel are extra; remote areas and islands can take much longer.
- Highlights and activities
- Wishes behind the festival
- Participation / viewing
- Spectators welcome
- Last updated
- 2026/10/19
Fireworks launched over Lake Sagami vividly light up the night sky and the lake’s surface. This fireworks festival carries on the wish to honor the dead and keep the lake safe, while offering the chance to enjoy the sound echoing through the mountains and the lights reflected on the water.
About Sagami-ko Kojosai Fireworks Festival
The Sagami-ko Kojosai Fireworks Festival is a fireworks festival held at Lake Sagami in Sagamihara City, Kanagawa Prefecture.
The event began in 1948 as a memorial for people who lost their lives in connection with Lake Sagami and as a prayer for the lake’s safety.
Fireworks launched over the lake combine with the lakeside scenery surrounded by mountains, making this an event that carries on the region’s memories.
Source: 8/1（土）第74回 さがみ湖湖上祭 花火大会 2026｜イベント ｜【公式】神奈川県のお出かけ・観光・旅行サイト「観光かながわNOW」
Festival highlights
The highlight is the sight of around 4,000 fireworks lighting up the waters of Lake Sagami.
Starmines and giant 15-sun shells light up the night sky, while the fireworks’ lights are reflected on the lake’s surface.
The surrounding mountains create an echoing effect, so you can enjoy not only the lights but also the powerful sound reverberating through your body.
Source: さがみ湖湖上祭花火大会｜相模原市
The sound echoing through the mountains, lights on the lake, and summer fireworks brightening Lake Sagami
What to expect
Visitors watch fireworks launched over Lake Sagami from the lakeshore in front of Kanagawa Prefectural Sagami-ko Park.
According to the 2026 information, the program is scheduled to begin at 7:30 p.m. and feature a variety of fireworks, including starmines, 10-sun shells, 15-sun shells, and Niagara-style fireworks.
Enjoy the light reflected on the lake and the sound echoing through the mountains during approximately 1 hour of fireworks.
How to take part
Visitors can enjoy the fireworks from the venue along the lakeshore.
No open call for general participants to help launch the fireworks or assist with event operations has been announced.
Information about paid and sponsor seats has been published, so check the terms of use before attending.
Source: さがみ湖湖上祭花火大会 - Wikipedia
Location and access
- Venue and address
On Lake Sagami in front of Kanagawa Prefectural Sagami-ko Park (317-1 Yose, Midori Ward, Sagamihara City, Kanagawa Prefecture)
- Train and bus
About a 10-minute walk from Sagamiko Station on the JR Chuo Line.
There are no direct buses.
- By car
Traffic restrictions around the venue mean that roads other than the national highway will be closed to traffic.
As nearby roads are expected to be congested, visitors are advised to use the train.
- Parking
Sagami-ko Park Parking Lot and others.
Address 317-1 Yose, Midori Ward, Sagamihara City, Kanagawa Prefecture
Dates and season
2026 event information (the listed dates have passed)
In 2026, the event was scheduled for August 1 (Saturday), with the listed time running from 7:30 p.m. to 8:40 p.m.
The event will go ahead in light rain, but will be canceled in severe weather. There is no postponement date.
It is described as being held annually on August 1.
Accommodation and hotels PR
Showing nearby accommodation.
Prices and availability are current at the time of retrieval. For multi-night stays, only the first night’s price is shown. Confirm the final price and directions to the venue with the booking provider. Select your dates again when using the area search link. Search area: within 3 km of Central Kanagawa Prefecture / Sagamihara City (the search is not centered on the festival venue)
Tips for your visit
Traffic restrictions will be in effect around the venue, and road congestion is expected, so visitors are advised to travel by train.
The event will go ahead in light rain, but will be canceled in severe weather. There is no postponement date.
It is a good idea to check details about seating and parking and prepare for watching the fireworks by the lakeshore before you go.
Nearby attractions
亀ヶ池八幡宮
神奈川県相模原市中央区にある神社
氷川神社
神奈川県相模原市中央区にある神社
神明大神宮
神奈川県相模原市緑区にある神社
Origins and History of Sagami-ko Kojosai Fireworks Festival
The Sagami-ko Kojosai Fireworks Festival began in 1948 as an event to honor people who lost their lives in connection with Lake Sagami, prevent water-related accidents, and pray for the lake’s safety.
The 2026 event is described as the 74th, continuing over many years with the region’s concern for the safety of Lake Sagami and the local community at its heart.
It is reported that the event was canceled from 2020 to 2022.
Official information
The event is listed as being organized by the Sagami-ko Kojosai Fireworks Festival Executive Committee.
For inquiries, contact the Sagami-ko Tourism Association at 042-684-2633.
For the latest information on the event date, venue, and arrangements in severe weather, check the organizer’s or tourism association’s information.
Sagami-ko Kojosai Fireworks Festival at a Glance
The Sagami-ko Kojosai Fireworks Festival is a summer event in Sagamihara City where visitors can enjoy around 4,000 fireworks over Lake Sagami.
It is known for the lights reflected on the lake and the sound echoing through the mountains, with a variety of fireworks, including 15-sun shells and starmines.
In 2026, the event will be held on August 1, and the venue is about a 10-minute walk from JR Sagamiko Station.
Japanese Festivals.jp Editorial Team
Celebrating local culture and helping you discover a side of Japan you never knew.
Article updated: 2026/10/19
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