Autumn · Gyeonggi-do · Field listing

Sanjeonghosu Lake Myeongseongsan Mountain Eulalia Festival 2026

The essentials first: whether it is open, what it costs, how hard it is to reach and what to expect if you do not speak Korean.

Sanjeonghosu Lake Myeongseongsan Mountain Eulalia Festival festival
Original Korea Seasons illustration; not a documentary photograph
When
Oct 16 — 18ConfirmedConfirmed dates
Where
Sanjeonghosu Lake and Myeongseongsan Mountain, Yeongbuk-myeon, PocheonGyeonggi-do
Admission
FREEEntry to the festival is free. A few hands-on programmes are paid: the eulalia art workshop, eulalia calligraphy and the Pocheon gujeolcho (chrysanthemum) experience are listed at roughly 1,000-2,000 won each.
From Seoul
About 1 h 50 m on route 1386 from Dobongsan Station, plus the subway ride to DobongsanTake Seoul Subway Line 1 or 7 to Dobongsan Station and change to Gyeonggi public bus 1386 at the Dobongsan Station Interchange Center. The route ends at the Sangdong parking lot at Sanjeonghosu Lake, which is also where the Myeongseongsan trails start. The duration comes from the operator's published first run when the route began in 2020, so check the live timetable.
Hours
Fri 16 Oct 11:00-17:00; Sat 17 and Sun 18 Oct 11:00-21:00. Opening ceremony Sat 17 Oct at 18:00.
Organiser
Pocheon Culture & Tourism Foundation, 031-535-5013 or 031-535-5135

Is this one for you?

Who it suits. This suits people who want a lakeside festival that is easy to combine with a mountain walk, and who are comfortable choosing between a short stroll and a long hike. It is a weaker fit if you are counting on a single compact venue with everything on a printed timetable, or if you can only come on Friday, when the listed hours end at 17:00 and the evening programmes are not running. Visitors without a car should also weigh the long bus ride from Seoul.

When to go. Saturday 17 October is the day with the most confirmed content: the opening ceremony is at 18:00 and the lake fireworks show and art wall project are reported for that evening, with hours running to 21:00. Sunday also runs to 21:00. Friday closes at 17:00, so it is the day for the hike or a quiet lakeside visit rather than for any night programme. If you plan to walk up to the eulalia field, start early enough to be back down before dark, since the climb is listed at about two hours one way.

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Pocheon’s eulalia festival pairs two things that are easy to confuse: a lakeside festival ground at Sanjeonghosu, and the silver-grass slopes of Myeongseongsan above it. The 29th edition runs 16-18 October 2026 under the theme “Autumn, our most brilliant moments with eulalia”. The hosts are Pocheon City and the Pocheon Culture & Tourism Foundation, with sponsorship from Gyeonggi Province. News reports describe the grass field as about 150,000 square metres and as one of Korea’s five major eulalia sites.

The programme list is centred on the lake. The grass field is a separate hike above it. Keep that distinction in mind when you decide how much of your day to spend where.

Sanjeonghosu Lake Myeongseongsan Mountain Eulalia Festival — official photograph 1
Photo: Korea Tourism Organization / 2025 포천 산정호수 명성산 억새꽃축제 1 (KOGL Type3, unmodified)

What you actually do here

KTO’s Korean record and the organiser’s page describe about 30 programmes. By day these include a garden-style rest area, experience booths, exhibitions and food booths. Reports describe the lake as the focus after dark, with a water fireworks performance and a villager-run lighting display along the shore.

The festival ground is shown in KTO’s photo of the previous edition: white tents along the waterfront with the rocky peak behind. The 2026 layout was not published in detail, so treat the photo as a sense of scale, not a map. KTO’s English record places the event in “areas of Sanjeonghosu Lake and Myeongseongsan Mountain”, and lists the address as 108 Sanjeonghosu-ro 411beon-gil, Yeongbuk-myeon.

Sanjeonghosu Lake Myeongseongsan Mountain Eulalia Festival — official photograph 2
Photo: Korea Tourism Organization / 2025 포천 산정호수 명성산 억새꽃축제 4 (KOGL Type3, unmodified)

The hike to the eulalia field

The mountain is the reason the festival has its name. News reports on the 2026 festival say it takes about two hours from the lake up the trail to reach the silver grass. A separate hiking description gives roughly 4 km one way. KTO’s page for the silver grass field says the trails start from the Sangdong parking lot at Sanjeonghosu Lake, and that the first route passes Biseon Falls and Deungnyong Falls.

KTO also notes that access to the area is restricted on days when military shooting training takes place. I did not find whether any restriction applies on the festival days, so check with the organiser if the hike is the main purpose of your trip. I could not confirm how fully the grass will have bloomed in the middle of October 2026 either, and nobody can promise that in advance.

The lake itself needs no climb. KTO describes a trail of about 3 km that circles Sanjeonghosu, with restrooms, and lists the lake as free and open 24 hours. That makes a lakeside loop a reasonable substitute if you do not want to hike.

Sanjeonghosu Lake Myeongseongsan Mountain Eulalia Festival — official photograph 3
Photo: Korea Tourism Organization / 2025 포천 산정호수 명성산 억새꽃축제 3 (KOGL Type3, unmodified)

Programme and timetable

KTO’s registered programme has seven groups. The main programmes are the water fireworks show, a “letter you receive in a year” red postbox, a lakeside photo studio, and a eulalia wish path with fortune-drawing. The night programmes are a eulalia lighting display staged by Sanjeong-ri villagers, an art wall project and glow-in-the-dark body painting.

The performances include a eulalia mountain-spirit thanksgiving ceremony, a lakeside arts stage, a special performance by the Pocheon Municipal Theatre with street theatre among the grass, and a eulalia carnival. Participation programmes include a stamp tour, the paid art workshop and calligraphy, a paid gujeolcho experience and a Myeongseongsan ESG plogging walk. Local-theme items include a guided tour on the legend of Gungye, an exhibition of combat equipment, a poetry-and-painting show, an exhibition of photo contest winners and a “time machine” display of Sanjeonghosu 101 years ago. There is also a “makmullier” experience; the programme text does not describe it, so I won’t guess what it involves.

The opening ceremony is Saturday 17 October at 18:00. KTO’s record names three singers for the opening concert: Park Chang-geun, Park Ju-hee and Yang Hye-seung. Reports from 15 October place the water fireworks and the art wall project on the evening of the 17th. I did not find an exact fireworks start time, so do not assume the ceremony and the show run back to back.

Hours matter more than usual. KTO lists Friday 11:00-17:00 and 11:00-21:00 on Saturday and Sunday. Friday ends before dark, so the lighting and fireworks cannot be seen then.

Sanjeonghosu Lake Myeongseongsan Mountain Eulalia Festival — official photograph 4
Photo: Korea Tourism Organization / 2025 포천 산정호수 명성산 억새꽃축제 2 (KOGL Type3, unmodified)

Fireworks and the night programme

The night programme is the main argument for coming on Saturday. The 2025 photo here shows the lake fireworks of the previous edition, with the display set on a floating platform in front of the dark shore. The 2026 show is described as a water fireworks “drama” and is an official part of the programme, not an extra.

The night programme depends on the dark, and the hours run to 21:00 at the latest. That leaves a short evening. If you want the fireworks and the ceremony, plan to be at the lake well before 18:00 and plan your return trip at the same time, because the bus timing below is tight.

Tickets, fees and booking

There is no admission fee. The only costs listed are the paid hands-on programmes, at roughly 1,000-2,000 won each. No advance reservation is mentioned in KTO’s record, and I found no ticketed seating for the opening concert or the fireworks. For specifics, call the organiser at 031-535-5013 or 031-535-5135.

The photo of the stage is from the 2025 edition and shows an evening audience wearing headphones. That is a reminder that programme formats change from year to year. Do not read the picture as a promise about 2026.

Getting there without a car

The one public-transport route that I could confirm from several sources is Gyeonggi public bus 1386. A Pocheon news report from 2020 says the route was changed to end at the Dobongsan Station Interchange Center, giving direct access to Seoul Subway Lines 1 and 7. The Gyeonggi provincial news service lists the same route as the way to reach Sanjeonghosu from Seoul. The operator’s first run in 2020 left Sanjeonghosu at 5:00 and arrived at Dobongsan at 6:50, so a ride of about 1 h 50 m is the figure to plan around. The 2020 last run left Sanjeonghosu at 21:40, and a current timetable listing also gives 21:40 for the last bus, without making clear which direction.

That is a long journey for a festival that closes at 21:00. Work out the return before you go.

Parking, shuttles and traffic control

KTO lists parking at the lake, and the Sangdong parking lot is the main start of the trails and the terminus of bus 1386. I did not find a published 2026 shuttle plan, parking fee list or road-closure notice. Several blogs publish fees and crowd tips, but they are not official and I have not used them.

If you drive, call the organiser before leaving. I have no figure for how quickly the lots fill on a festival weekend.

Day trip or overnight

A day trip is possible in principle, because the bus runs directly from Dobongsan. But with nearly two hours each way plus the subway, a Saturday visit that includes the 18:00 ceremony and the fireworks leaves you relying on the last bus from the Sangdong lot. Check the live timetable and the actual end time of the show before you commit. I did not verify any accommodation near the lake, so none is recommended here.

Food on site and nearby

The programme lists food booths. I did not find the vendor list, prices or whether the booths accept cards. For a regional dish beyond the festival, Pocheon is known for Idong galbi and Idong makgeolli, both from Idong-myeon. A national culture-centre listing describes both as local specialties, with the makgeolli made using water from Baekunsan. These are regional foods, not claims about what the stalls serve, and Idong-myeon is another part of Pocheon rather than the festival site.

Honest assessment

The setting is the draw: a mountain lake below a large silver-grass slope, with free entry and a clearly defined Saturday night programme. The festival also gives the lake visit more to do than a normal weekend would.

The practical weaknesses are real. Friday closes at 17:00. The hike takes most of a half-day, and the programme list centres on the lake rather than the mountain. The long bus ride makes a late-evening return uncertain. A 2026 shuttle plan, parking details and the fireworks time were not available when I wrote this. I also could not check the bloom state.

If you want the most from one trip, aim for Saturday, arrive before the 18:00 ceremony, walk the 3 km lake loop in daylight, and treat the climb as a separate decision.

Local specialties to try

Idong galbi
Original Korea Seasons illustration; not a documentary photograph

Idong galbi (이동갈비)

Idong galbi is grilled, marinated short rib associated with Idong-myeon, elsewhere in Pocheon. A national culture-centre listing describes it as a local specialty shaped by the area's military-zone surroundings, and a Korean food-industry report traces it to restaurants serving soldiers and their visitors in the late 1950s. It is a regional dish, not something the festival is confirmed to sell.

Idong makgeolli
Original Korea Seasons illustration; not a documentary photograph

Idong makgeolli (이동막걸리)

Idong makgeolli is a rice wine from Pocheon's Idong area that the same culture-centre listing describes as made with clean water from Baekunsan. It is a regional product, not a confirmed festival menu item.

Questions worth asking

Is the Myeongseongsan eulalia festival free?

Entry is free. Three hands-on programmes are charged separately, listed at roughly 1,000-2,000 won each: the eulalia art workshop, eulalia calligraphy and the gujeolcho experience. Check the price at the booth.

What time does it open and close?

Friday 16 October runs 11:00-17:00, and Saturday 17 and Sunday 18 October run 11:00-21:00. The opening ceremony is on Saturday at 18:00. These are the hours in KTO's record; confirm on the day for any late change.

How long does it take to walk up to the eulalia field?

News coverage of the 2026 festival puts the climb from Sanjeonghosu at about two hours along the trail, and one hiking description gives about 4 km one way. Allow the same again to come down, and start early enough to be off the mountain by dark. The hike is separate from the festival grounds at the lake.

How do I get there from Seoul without a car?

Take Subway Line 1 or 7 to Dobongsan Station, then bus 1386 from the Dobongsan Station Interchange Center to the Sangdong parking lot at Sanjeonghosu. The operator's first run in 2020 took about 1 h 50 m. Timetables change, so check a live route planner.

Is there parking or a festival shuttle in 2026?

KTO lists parking at Sanjeonghosu Lake, and the Sangdong lot is where the Myeongseongsan trails begin. I did not find a published 2026 festival shuttle plan, parking fee list or traffic-control notice, so none is given here. Call 031-535-5013 or 031-535-5135 before driving.

Can I see the fireworks on Friday?

The reported fireworks show, a water fireworks performance on the lake, is placed on the evening of Saturday 17 October. Friday closes at 17:00. I did not find the exact start time.

LAST UPDATED · Oct 15, 2026