Hitachi Seaside Park

Hitachi Seaside Park (ひたち海浜公園, Hitachi Kaihin Kōen) is a sprawling 470-acre coastal sanctuary in Ibaraki Prefecture that has become one of Japan’s most iconic seasonal landscapes. While the park offers beauty year-round, it is most famous for the Nemophila Harmony festival. From late April to mid-May, the rolling Miharashi Hill is blanketed in 4.5 million baby-blue nemophila (baby blue eyes), creating a surreal, monochromatic horizon where the flowers seem to melt into the sky and the nearby Pacific Ocean.

The park’s color palette shifts dramatically as the seasons progress. In early spring, the “Suisen Fantasy” sees over a million daffodils of 600 different species blooming in a fragrant yellow wave. By late September, the landscape undergoes its most famous transformation during the Kochia Carnival. The rounded kochia (summer cypress) bushes, which are a vibrant lime green in summer, turn a deep, fiery crimson, covering the hills in a fluffy, otherworldly texture that looks like something out of a storybook.

Beyond the floral spectacles, the park is designed for a full day of recreation. The expansive grounds feature a pine forest, a dedicated dune garden showcasing native coastal flora, and a cycling center where visitors can rent bikes to navigate 11 kilometers of dedicated paths. For families, the “Pleasure Garden” amusement park near the entrance offers a giant Ferris wheel with sweeping views of the coastline, while a BMX track and BBQ area provide space for more active groups.

Visitor Information
Address	605-4 Onuma-aza, Mawatari, Hitachinaka, Ibaraki 312-0012 (Google Maps)
Opening Hours	9:30 AM – 5:00 PM (Varies by season; generally closed on Tuesdays)
Price	Adults: ¥450 / Seniors: ¥210 (Fees increase during peak bloom seasons)
Website	Visit Website

Access
Station / Stop	Line / Bus	Access Details
Katsuta Station	JR Joban Line	Take the bus from the East Exit (Platform 2) to the West Entrance (approx. 15 mins).
Mito Station	JR Joban Line	Express trains from Tokyo (Shinagawa/Ueno) take approx. 70-85 mins.