An easier alternative to hiking Hallasan Mountain: Dullegil eco-trails

Hallasan Mountain’s 80-kilometer-long Dullegil Eco-trail runs through Hallasan National Park at between 600 and 800 meters above sea level. 

The Dullegil is divided into five courses (info in Korean):
Cheona (10.9km) (English article on Visitjeju.net)
Dol Oreum (5.8km) 
Dongbaek (13.5km) 
Suak (16.7km) and
Saryeoni (10km).

There isn’t a lot of official information available in English, but here is the official site: 

You can call the Jeju Tourist Information Center for help on which route is best for you and how to get there (daily 9am-6pm, 064-740-6000)

More about hiking Jeju’s mountains and hills: www.visitjeju.net/u/3FH

We’ll bring you on-the-spot, up-to-date reports from these courses in the next few months.

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Though these routes are not particularly difficult, we highly recommend you review the following safety guidelines. They are applicable to all sorts of hikes, including volcanic cones. 

Avoid common mistakes that new (and experienced) hikers make:

• Packing poorly (forgetting essential items, or packing unnecessary items)
• Ignoring fatigue, illness
• Getting too ambitious with your schedule

Safety Tips: 

• Tell people (friends, hotel staff) where you are going and when you expect to be back. 
• Double-check your gear before you depart. Do this once at home/your hotel and once again at the trailhead prior to heading out.
• Sip your water a little at a time (every 15 minutes is a good benchmark) to stay hydrated.
• Listen to your body telling you it’s tired. Don’t “go with the flow” of the group you’re with. If you need to stop and rest, tell them! You can avoid injuries this way.
• Set a “turn around” time which will match your fitness level(s). Stick to it.
• Stay together. Breaking up into groups or solo is asking for trouble if you’re unfamiliar with the area.
• Stay on the trail. Any deviations are very likely prohibited by park rules, and you risk getting lost anyway.
• Watch the weather. Any sign of a storm, rain, fog, and you should be prepared to call it a day and go home.
• Keep a bottle of water in the car for when you return. You might be in need of immediate rehydration if something goes awry while you’re hiking.