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Big Island, Hawaii

Hiking & Trekking in Big Island, Hawaii

Hawaii Volcanoes National Park offers the most geologically extraordinary hiking in the United States — trails that cross hardened lava fields from eruptions decades apart, descend into the steam vents at the caldera rim, and pass through native ohia forest where nene geese forage at the edge of the path. The Crater Rim Trail circles the Kīlauea caldera with multiple overlooks of the active Halemaʻumaʻu eruption — best experienced at night when the lava glow illuminates the crater walls. The Thurston Lava Tube is an accessible highlight requiring no special equipment, a 500-year-old tube formed when the outer surface of a lava flow cooled and hardened while molten rock drained from the interior.

Right Now (May)
Peak Season
The absolute best time to go.
12-Month Calendar
PeakGoodOkaySkip
Best months at a glance
January
Good
February
Good
March
Good
April
Peak
May
Peak
June
Peak
July
Peak
August
Peak
September
Peak
October
Peak
November
Peak
December
Good
About this activity

Beyond the park, Waipiʻo Valley on the Hamakua Coast drops 2,000 feet in 0.9 miles on a road so steep that only 4WD vehicles with low range are advised — the valley below holds black sand beach, taro fields, and streams. The Hakalau Forest National Wildlife Refuge on the east slope of Mauna Kea is the finest native forest hiking on the island, with access by guided tour or occasional public days.

Conditions

Weather & Conditions

MonthHigh / LowRain DaysConditions
Jan80° / 65°F10Good
Feb80° / 65°F9Good
Mar81° / 66°F8Good
Apr82° / 67°F6Peak
May84° / 69°F4Peak
Jun86° / 71°F3Peak
Jul87° / 72°F3Peak
Aug88° / 73°F4Peak
Sep88° / 72°F4Peak
Oct86° / 71°F6Peak
Nov83° / 68°F8Peak
Dec81° / 66°F10Good
Locations

Where to Go

Hub Town
Kailua-Kona

Main town on the west side. Restaurants, dive operators, manta ray tours. Airport 15 minutes north.

Resort Coast
Kohala Coast

Driest area on the island — 9 inches of rain annually. Resort area. Waikoloa, Mauna Kea Resort, Mauna Lani.

National Park
Hawaii Volcanoes National Park

Kīlauea crater, Crater Rim Drive, lava tube. Kīlauea erupting episodically since December 2024. 2hr from KOA, 45min from Hilo.

Active Volcano
Kīlauea Summit Caldera

Halemaʻumaʻu crater — active eruption since Dec 23, 2024. Lava fountaining episodes visible from multiple overlooks at night.

Summit
Mauna Kea

13,796 feet. Finest stargazing on earth. Visitor Information Station at 9,200ft — no 4WD required. Summit requires 4WD. 13 observatories.

Dive Site
Keauhou Bay

Manta Ray Village — primary launch point for manta ray night dives and snorkel tours. Year-round resident mantas.

Marine Sanctuary
Kealakekua Bay

Best snorkeling in Hawaii. Protected Marine Life Conservation District. Captain Cook Monument. Accessible by boat tour from Kona.

East Side City
Hilo

Wettest city in the US. Botanical gardens, farmers market, waterfalls. Gateway to Volcanoes National Park. ITO airport.

Upcountry Town
Waimea (Kamuela)

2,670-foot elevation. Cool green ranching country. Gateway to Mauna Kea and the Hamakua Coast.

Wildlife Refuge
Hakalau Forest NWR

Best native forest birding on the island. Iiwi, apapane, Hawaii creeper, akiapolaau. East slope of Mauna Kea.

Natural Feature
Waipiʻo Valley

Sacred valley on the Hamakua Coast. 2,000-foot walls, black sand beach, taro fields. Steep road requires 4WD.

Beach
Punaluʻu Black Sand Beach

Most famous black sand beach on the island. Green sea turtles haul out here regularly. Between Volcanoes NP and Hilo.

Practical Intel

Know Before You Go

01
The manta ray dive requires calm conditions — build flexibility

Manta ray night dive and snorkel tours from Keauhou Bay are cancelled on nights when ocean swell or wind makes conditions unsafe. Summer delivers the calmest conditions and lowest cancellation rates. Stay multiple nights near Kona if the manta dive is a priority — a single-night booking that gets cancelled leaves no options. Operators post same-day conditions online and most offer rebooking when tours cancel for weather.

02
Check the volcano before you drive to the park

Hawaii Volcanoes National Park is 2 hours from Kona and 45 minutes from Hilo. The Kīlauea eruption status changes day to day — a fountaining episode at night is dramatically different from the same overlooks during a pause between episodes. Check the USGS Hawaiian Volcano Observatory website (usgs.gov/volcanoes/kilauea) the morning of your visit. If an episode is forecast, evening and night visits to the park deliver the best experience. Vog levels also vary — check vog.hi.gov for air quality.

03
The island is enormous — plan around your base

Driving from the Kohala Coast to Hawaii Volcanoes National Park takes 2 hours each way. From Hilo to Kona is 1.5 to 2 hours via the Saddle Road. Most visitors underestimate the distances and overload their itineraries. Pick a base that matches your primary activities — Kona or Kohala for diving and the manta ray dive, Hilo or Volcano Village for the national park and east side waterfalls — and plan day trips accordingly.

Where to Stay

Wildist-vetted hotels for Big Island, Hawaii coming soon.