Last updated: January 8, 2026
Hawaiʻi Island's "Trail by the Sea"
Established in 2000 to preserve, protect and interpret traditional Native Hawaiian culture and natural resources, Ala Kahakai National Historic Trail is a 175-mile corridor encompassing a network of culturally and historically significant trails. This "trail by the sea" traverses wahi pana (storied landscapes), ancient Hawaiian sites and over 200 ahupuaʻa (traditional land divisions). Read More
25 years of the Ala Kahakai
In 2025, the Ala Kahakai National Historic Trail celebrated our 25th anniversary. Learn more about the trail in this interactive StoryMap.
Historic Sites
Visit parks, historic heiau, and many other sites along the Ala Kahakai.
Hiking
Several segments of the trail are open for hiking. Learn more about how to access Hawaiʻi Island's "trail by the sea."
Nature
The trail corridor extends through several of Hawaiʻi Island's climate zones, with up-close views of a variety of natural resources.
Trail Types
ʻAʻā, pāhoehoe, sand, stepping stones, and more... get to know the types of trails you'll encounter on the Ala Kahakai.
Get Involved
Learn how to get directly involved with the Ala Kahakai.
Safety
Before heading out, make sure to read up on the steps you can take to stay safe out on the trail.