Skip to main content
Hard

Mauna Loa Summit Trail

Captain Cook, Hawaii · Hawaii County

Mauna Loa Summit Trail is a hard hiking trail near Captain Cook in Hawaii County, Hawaii.. Trail data is sourced from OpenStreetMap.

Advertisement
19.49216, -155.59112
Open in OpenStreetMap
5-Day Forecast

Weather at Mauna Loa Summit Trail

Live forecast for the trailhead. Use it to pack and time your hike.

Avg High49°F
Avg Low37°F
Peak Rain Chance29%
Humidity60%
UV (avg)10
Air Quality28 · Good
Today
☁️
Overcast
48°/37°
🌬 14mph
5:58 AM6:59 PM
Sat
☁️
Overcast
52°/37°
💧 1%🌬 10mph
5:58 AM6:58 PM
Sun
☁️
Overcast
51°/37°
💧 13%🌬 9mph
5:59 AM6:58 PM
Mon
🌧
Heavy Drizzle
50°/37°
💧 28%🌬 10mph
5:59 AM6:57 PM
Tue
🌦
Rain Showers
46°/37°
💧 29%🌬 8mph
5:59 AM6:57 PM

Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.

About Mauna Loa Summit Trail

Mauna Loa Summit Trail is a hard hiking trail near Captain Cook in Hawaii County, Hawaii.. Trail data is sourced from OpenStreetMap.

What “Hard” Means

Steep, technical, or long. Requires good fitness and experience.

Difficulty is derived from OpenStreetMap’s Swiss Alpine Club (SAC) hiking scale, trail visibility, surface, distance, and elevation gain. Always verify current conditions before heading out.

What to Pack & Wear

Personalised to this trail’s length, elevation, difficulty, and the live forecast.

👔 What to Wear

  • 🧥
    Light insulated jacket
    Fleece or light puffy you can stash if you warm up.
  • 👖
    Hiking pants
    Quick-dry softshell or fleece-lined.
  • 🧤
    Light gloves + beanie
    Especially if you start before sunrise.
  • 🥾
    Sturdy hiking boots
    Wool or synthetic-blend socks.

🎒 What to Pack

  • 💧
    Water
    Bring at least 1L of water; more in heat.
  • 🍫
    High-energy snacks
    A snack for the trail.
  • 🧴
    Sun protection (UV 10)
    SPF 50+ sunscreen, lip balm w/ SPF, sunglasses, sun hat.
  • 🔦
    Headlamp + spare batteries
    Long days can run late — never rely on phone flashlight alone.
  • 🩹
    First-aid kit
    Blister patches, ibuprofen, tape, antiseptic wipes.
  • 🗺
    Offline map
    Download your route in advance via Gaia, Caltopo, or OSM-based apps.

Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.

Trail Safety in Hawaii

Trail conditions in Hawaii change with weather, season, and fire activity. Closures, washouts, and rerouting are common. Before heading out:

  • Check with the land manager for current conditions and closures
  • Tell someone your plan and expected return time
  • Know your turn-around limits — conditions can change fast
  • Carry the 10 essentials: water, food, navigation, first aid, light, fire, shelter, knife, sun protection, extra clothes

Frequently Asked Questions

How hard is Mauna Loa Summit Trail?

Mauna Loa Summit Trail is rated Hard. Steep, technical, or long — good fitness and experience recommended.

When is the best time to hike Mauna Loa Summit Trail?

Hawaii has trail conditions that vary by season. Spring and fall usually offer the best mix of temperature and trail conditions. Check the 5-day forecast above for current outlook. Always verify trail status (closures, washouts, fire restrictions) with the local land manager before going.