The Big Island of Hawaii is a paradise for outdoor lovers, offering some of the most unique hiking experiences in the world. From active volcanic craters and lava fields to lush rainforests, waterfalls, and coastal valleys, hiking on Big Island allows travelers to explore landscapes that exist nowhere else on Earth.
Whether you want to try hiking big island volcano trails, explore hidden valleys, or go backpacking on Big Island, there are trails for every level of adventurer. In this guide, we’ll explore the best hiking on Big Island, trail maps, safety tips, and must-visit hiking spots across Hawaii’s largest island.
Why Hiking on Big Island Is Unique
The Big Island is the youngest island in the Hawaiian chain and continues to grow because of active volcanoes. This creates a wide range of terrains, including:
- Active volcano craters
- Solidified lava lakes
- Tropical rainforests
- Waterfalls and valleys
- High-altitude alpine landscapes
Because of this diversity, hiking on Big Island Hawaii can feel like exploring multiple ecosystems in a single day.
Best Hiking on Big Island
1. Kīlauea Iki Crater Trail
One of the most famous trails for hiking big island volcano landscapes is the Kīlauea Iki Crater Trail.
Highlights:
- Distance: 4.4-mile loop
- Terrain: rainforest + lava lake
- Difficulty: Moderate
Hikers descend through a lush rainforest before crossing a solidified lava lake that still vents steam from underground heat.
Why hike here:
- Incredible volcanic scenery
- Unique geological formations
- One of the top best hiking on Big Island experiences
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2. Nāhuku Lava Tube
The Nāhuku Lava Tube offers a completely different type of volcanic experience.
Trail info:
- Distance: 0.4 mile
- Difficulty: Easy
- Location: Hawaiʻi Volcanoes National Park
Visitors walk through a massive underground lava tunnel created thousands of years ago by flowing lava.
This short trail is perfect for families or anyone wanting a quick volcanic adventure while hiking on Big Island Hawaii.
3. Halemaʻumaʻu Crater Rim Trail
Halemaʻumaʻu Crater is one of the most iconic volcanic features on the island.
Trail features:
- Scenic viewpoints
- Massive caldera views
- Active volcanic landscape
This area is perfect for photographers and anyone interested in hiking big island volcano areas safely from designated trails.
Coastal & Valley Hiking on Big Island
While volcanoes get most of the attention, the island’s coastline offers some of the most dramatic hikes in Hawaii.
Pololū Valley Trail
Pololū Valley is one of the most beautiful valleys on the island.
Trail details:
- Distance: 0.6 mile
- Difficulty: Moderate (steep descent)
- Destination: Black sand beach
The hike down the valley provides breathtaking views of sea cliffs and lush green landscapes.
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Akaka Falls State Park Trail
This is one of the most accessible waterfall hikes on the island.
Highlights:
- Distance: 0.4-mile paved loop
- Waterfall height: 442 feet
- Terrain: Tropical rainforest
The trail leads through dense jungle vegetation to one of Hawaii’s most spectacular waterfalls.
Onomea Bay Trail
This short but scenic trail offers incredible coastal views.
Trail info:
- Distance: 0.2 mile
- Difficulty: Easy
- Location: Near Hilo
It’s a quick stop for travelers exploring the eastern side of the island while hiking on Big Island.
Mountain & Cloud Forest Hiking
The island also features high-altitude ecosystems rarely found elsewhere in Hawaii.
Mauna Kea Humuʻula Trail
This challenging hike leads to the summit of Mauna Kea.
Trail details:
- Distance: 13.4 miles round trip
- Elevation: 13,796 ft
- Difficulty: Very difficult
Because of the high altitude, hikers should acclimatize at the visitor center before attempting the climb.
This is one of the most extreme hiking on Big Island Hawaii experiences.
Makaula ʻOʻoma Trail
This scenic cloud forest trail near Kona features:
- Distance: 3.5–4.5 mile loop
- Terrain: Native forest
- Unique feature: Rainbow eucalyptus trees
It’s one of the hidden gems for best hiking on Big Island.
Kaulana Manu Nature Trail
This short educational trail is ideal for beginners.
Trail details:
- Distance: 0.4 mile
- Location: Saddle Road
- Highlights: Native plants and birds
Perfect for families or travelers wanting a quick nature walk while exploring hiking on Big Island trails.
Hiking on Big Island Map
The island is divided into several hiking regions:
Kona Side
- Dry climate
- Cloud forests
- Coastal lava trails
Hilo Side
- Rainforests
- Waterfall hikes
- Botanical trails
Volcano Area
- Lava fields
- Active craters
- Geological hikes
North Kohala
- Sea cliffs
- Deep valleys
- Black sand beaches
Using a hiking on Big Island map helps travelers plan hikes based on terrain and weather conditions.
Backpacking on Big Island
For experienced hikers, backpacking on Big Island offers incredible overnight adventures.
Popular backpacking areas include:
- Hawaiʻi Volcanoes National Park backcountry
- Mauna Loa summit trails
- Remote coastal routes
Backcountry permits are required in many areas, and hikers must carry all necessary supplies.
Safety Tips for Hiking on Big Island
Because of the island’s unique environment, hikers should follow these safety guidelines:
1. Watch for volcanic hazards
Active volcanoes can release gases and unstable terrain.
2. Clean your boots
To prevent spreading Rapid ʻŌhiʻa Death (ROD), clean your shoes at boot stations.
3. Check weather conditions
Heavy rain can cause sudden flash floods in valleys.
4. Stay on official trails
Off-trail hiking can damage fragile ecosystems and may be illegal in protected areas.
Park Fees & Regulations (2026 Update)
Visitors should be aware of new park fees:
- Entry fee: approx. $5 per person
- Parking fee: approx. $10 at some state parks
Some locations may also require permits or reservations.
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