The 70th Ome City Nohryo Fireworks Festival features 4,001 fireworks to be hurled into the night sky over Nagayama Park in Ome City in the evening of the first Saturday in August. The festivities will begin at 7:30pm and conclude at 8:40pm. If the weather is too stormy it will be postponed until the following day.
There is paid seating for ¥1,000 (seats) or ¥5,000 (tatami), but you can grab a spot anywhere outside of the official viewing area for free.
The closest station is Ome Station on the JR Ome Line (10 min walk). To get there, take a Chuo Line train from Shinjuku Station and change to the Ome Line at Tachikawa.