8 Hallasan Hiking Mistakes That Will Cost You the Summit (A Local's Warning)
I've been reading a lot of travel reviews and Reddit threads lately, and one thing keeps coming up — foreign hikers making the same avoidable mistakes on Hallasan, over and over again. Not because they didn't prepare, but because the standard travel sites simply don't mention these things. So here's the honest list. Read this before you go.
1. There Are Zero Shops on the Mountain — Pack Everything 🎒
This one catches people off guard every single time. Hallasan is a strictly protected national park, which means there are absolutely no shops, vending machines, or shelters selling food or water anywhere on the trail. Once you pass the entrance gate, you're on your own. And if you're doing Seongpanak or Gwaneumsa, you're looking at 8 to 9 hours of hiking.
The checkpoint shelters have toilets — that's it. No running water, no snack bars, nothing.
2. Crampons, Poles, a Windbreaker — and Wrap Sunglasses 🧊
Four pieces of gear that people consistently underestimate — and regret leaving behind.
Crampons
If you're hiking between November and April, there will be ice and heavy snow near the summit. Do not attempt this in regular sneakers — it's genuinely dangerous. Crampons are easy to rent from guesthouses and outdoor shops near the trailhead, so there's really no excuse.
Trekking Poles
The trails are made up of endless volcanic rock steps — relentless and repetitive. Poles help with balance on the way up and, more importantly, take a serious amount of strain off your knees on the steep descent. I almost skipped mine and I'm so glad I didn't.
Windbreaker
The summit has its own microclimate. It can feel perfectly warm at the trailhead and be absolutely brutal at the top — freezing wind, out of nowhere. Pack a solid windbreaker in your bag regardless of what the weather looks like when you start.
Wind-Wrap Sports Sunglasses
Wrap-around sports sunglasses provide better protection from wind and dust than regular sunglasses at the summit. The wind up there is strong enough to blow dust and grit straight into your eyes, and UV exposure is stronger than many visitors expect, especially above the tree line. A pair of wrap-around sports sunglasses — the kind that seal around the sides — make a real difference. Your eyes will thank you on the descent too.
3. Sunscreen on Your Arms — Seriously, Don't Skip This ☀️
This is the one that surprises people most. The logic goes: "It's cold, I'll be wearing a jacket the whole time." But here's what actually happens — the climb is intense, you sweat, the jacket comes off, and your arms are fully exposed to high-altitude sun for hours.
I've seen tourists come back down with severe, painful sunburns on their arms because they only put sunscreen on their faces. Apply a high-SPF sunscreen to your face, neck, and arms before you even start the hike. You'll thank yourself later.
4. Turn Your Camera Geotag ON Before You Start 📸
Once you reach the summit, you can apply for an official Hallasan Summit Certificate through the Visit Halla website. It's a great souvenir — but the system is fully automated and there's one thing that catches a surprising number of people out.
When you upload your summit photo, the system reads the hidden GPS data embedded in the image file — called a geotag — to verify you were actually at the summit that day. If you had location services turned off to save battery, the photo has no geotag, and the system will reject it. Even if the photo is clearly of Baengnoktam crater.
5. The Free Parking Hack for Seongpanak Trail 🚗
If you rented a car in Jeju, your first instinct will probably be to drive straight to the Seongpanak trailhead. I'd strongly suggest against it. The parking lot there is notoriously small and fills up completely by 6:00–6:30 AM on clear days — and when it's full, rangers turn you away at the entrance. You'll lose 30–40 minutes just finding somewhere to turn around, and that's hiking time you won't get back.
Instead, do what the locals do: park for free and take Bus 281.
Your best option is the Jeju International University Transfer Parking Lot (제주국제대학교 환승주차장) — it's large, completely free, and always has space. A second option is the Mabangmokji Parking Lot (마방목지 주차장), a wide-open grassland area about 10 minutes closer to the trailhead by bus. Either works well; I usually go with the International University lot since it's easier to find on Google Maps.
From either lot, catch Bus No. 281. It runs between Jeju City and Seogwipo and stops right at the Seongpanak entrance gate — about 10 minutes from the International University lot. The first bus of the day departs early enough for summit hikers, so check the current schedule at the stop or on Naver Maps before your hike day.
| 🚌 Bus Route | Bus No. 281 (Jeju City ↔ Seogwipo) |
|---|---|
| 📍 Key Stop | Seongpanak Trailhead (성판악) |
| 🕔 First Bus | 5:45 AM from Jeju Bus Terminal → arrives Seongpanak 6:21 AM |
| 🔄 Frequency | Every 10–20 minutes |
| ⏱️ Travel Time | Approx. 12 mins from International University Transfer Lot |
| 🅿️ Parking Fee | Free at both recommended lots |
| 💳 Payment | T-money card or contactless Visa / Mastercard |
On your way back down, the same Bus 281 picks you up at the trailhead and brings you back to your car. The last bus from Seongpanak back toward Jeju City departs at 10:00 PM, so there's no real rush — but don't linger too long on the summit if you're planning a late descent.
6. Toilets Exist — But Not Where You Think 🚻
One question that comes up surprisingly often among foreign hikers is simple: "Are there toilets on Hallasan?" The answer is yes — but only at specific checkpoints. Between those locations, there are no facilities at all.
If you're climbing via Seongpanak, you'll find toilets at the trailhead, Sokbat Shelter, and Jindallaebat Shelter. On the Gwaneumsa route, toilets are available at the trailhead and Samgakbong Shelter. Once you leave those points, the next restroom could be several hours away.
Many first-time visitors underestimate how long the hike actually takes. That extra bottle of water you happily drank at sunrise may feel very different halfway up the mountain. Planning your restroom stops ahead of time makes the day much more comfortable.
7. The "Hidden" Deadlines — Beat the Shelter Cut-Off Times ⏱️
You could be highly fit, fully packed, and just an hour away from the peak, but if you don't hit the mountain's mid-way checkpoints before a specific minute, rangers will physically bar you from reaching the summit. No exceptions.
Because the descent takes hours and weather changes fast, the park enforces strict midday cut-offs at the final shelters. If you haven't cleared the Jindallae Field Shelter (Seongpanak trail) or the Samgakbong Shelter (Gwaneumsa trail) by the designated time, your summit bid ends right there.
| Season | Trailhead Entry | Shelter Cut-off |
|---|---|---|
| Spring/Autumn (Mar–Apr, Sep–Oct) |
05:30 AM – 12:30 PM | 12:30 PM |
| Summer (May–Aug) |
05:00 AM – 01:00 PM | 01:00 PM |
| Winter (Nov–Feb) |
06:00 AM – 12:00 PM | 12:00 PM |
8. No Ticket, No Entry — Secure Your Booking Code First 📱
You can't just wake up and decide to climb to Hallasan's summit on a whim. To protect the trails from overcrowding, the national park operates a strict reservation system for both the Seongpanak and Gwaneumsa courses.
Only 1,000 climbers are allowed on Seongpanak and 500 on Gwaneumsa per day. Rangers scan a personalized QR code at the entrance gate; if you don't have one, you'll be turned away right at the trailhead.
"Hallasan rewards the prepared. Get these seven things right before you leave, and everything else — the climb, the views, the aching legs — becomes a story worth telling. Safe travels up there! 🏔️"