Jangansan County Park

The main ridge choice starts at Muryonggogae and ends at Jangansan’s summit. The county publishes 3.2 km and 1 hour 30 minutes one way. Walk out and back for about 6.4 km, allowing 3–4 hours with rests. Follow the signed Jangansan direction from the pass and use the ascent route for your return. Official summit-course list.

Expect a sustained hill walk with changing surfaces and an exposed upper section. A high starting pass reduces the total climb, but it does not make the summit a roadside viewpoint. Keep enough energy for the return and turn back before visibility or footing deteriorates.

Begin at Jangansan County Park car park on the Deoksan side, pass Upper Yongso and Lower Yongso, and continue toward Banghwa Waterfall and Banghwadong Family Holiday Village before returning. The dedicated course sheet gives the full return as 10 km and 4 hours; the county page gives 3 hours. Allow 4–5 hours rather than treating either as a deadline. Course, start point and route overview.

The route mixes woodland walking, rocky ground, wooden decks and stepping-stone crossings. Choose the signed, open side of the stream and retrace your way when a crossing is unsafe; never make crossing a rising stream necessary to reach your vehicle.

This 11 km, 4-hour-30-minute through-walk links Yeonju village entrance with Wonjang-an bus terminus via Mudeurigyo, Jisilgaji and the Jang-an-ri forest road. It provides a lower-slope alternative to the summit. The endpoints are different: arrange the return journey before setting off. Masil-gil route and endpoint links.

The official sheet rates the course moderate. A forest-road segment does not establish step-free access for the whole route; the full distance still makes this a substantial walking day.

Start with the forecast and the pass approach, then walk toward the silver grass at an unhurried pace. Continue to the summit only if the group has time and energy for the same way back. Eat away from the walking line, add a layer before cooling down and descend early enough to avoid racing your transport. Leave the valley for another outing.

Begin at the Deoksan-side car park and make the two Yongso pools your first objective. Reassess there: continue toward Banghwadong only if crossings, daylight and everyone’s energy allow. Turn back earlier for a shorter day. Keep your lunch packed and ready to eat; the no-cooking rule makes a stove or barbecue the wrong plan for this protected valley.

Build time for the grassland into the ascent rather than rushing straight to the summit marker. Backlighting can reveal the texture of flower heads, while a wider view shows the grass against wooded slopes. Work from a safe stopping place and let other walkers pass before unpacking a tripod.

Upper and Lower Yongso give the valley walk a clear purpose even when you choose a shorter day. View the pools from the walking route. The steep rock and depth are reasons to keep your distance, especially with children; a photograph does not require stepping onto wet slabs.

If the ridge is simply hazy, an open valley route in settled weather can still work. If heavy rain or thunderstorms are the problem, avoid exchanging exposed terrain for a rising stream. Postpone the outdoor walk, spend the time in Jangsu town and choose a new weather window rather than trying to salvage every kilometre.

The eastern ridge’s silver grass is the park’s signature plant landscape. Autumn flower heads catch the light, while narrow leaves show a pale central vein. Look from the trail rather than walking into a stand for a portrait. The grassland also has a restoration programme, so individual patches should not all be assumed untouched or naturally established.

The county names mulbongseon among Deoksan Valley’s wildflowers. These balsams add a smaller-scale reason to slow down beside the wooded route. Leave flowers and seed pods in place. Here, the county specifically names mulbongseon; other kinds of balsam should not be assumed to grow along the route.

Banghwa Waterfall is a constructed feature using water from Yongnimje. Its height and cliff setting can make it look like a permanent natural cascade, but water flow is controlled. Treat it as a possible addition to the walk, not a reason to push onward when conditions are poor.

Spring is a chance to enjoy fresh woodland growth, but seasonal fire controls can remove the through-routes that make a map look convenient. Start with the current route list and be ready to choose another walk rather than improvising a descent.

The valley’s woodland makes it an appealing warm-weather outing. Choose stable weather and normal stream levels, bring water and shorten the walk if heat builds. After heavy rain, postpone crossings and pool-side wandering even when the lower entrance looks calm.

Give the ridge a clear-weather day and the valley a separate foliage walk if your schedule permits. Bring a windproof layer for exposed stops. Seasonal colour and grass-head condition vary, so plan for the landscape rather than a guaranteed peak-colour date.

Snow can transform the mountain’s bamboo-lined slopes, but ice and wind change the effort and consequences of a slip. Attempt the ridge only with suitable winter experience, equipment and a confirmed road approach. A valley walk is not automatically an ice-free fallback.

The valley course sheet identifies parking at its start/end. Banghwadong’s family holiday village has camping and accommodation facilities, but these are separately managed services. Check entry charges, booking requirements and current toilet provision directly; do not assume that a day walk includes a campsite or that every trailhead has the same facilities.

For recreation and trail questions, the county course page lists the forestry recreation team at 063-350-2473 and Banghwadong’s management office at 063-350-2475. Tell them your intended starting point and named route. This makes it easier to ask about a closed crossing, a forest-entry fee or an accessible short section.

For a summit return, navigate to Muryonggogae in Jangsu and check the approach road before driving up. For the valley, use the car-park map link on the dedicated Banghwadong course sheet, which identifies Deoksan-ri san 51. The valley attraction address and various older car-park references are not interchangeable pins. Save the actual meeting point if arranging a pickup.

The valley course information describes a bus from Jangsu toward Deoksan, followed by a walking approach from Yongnimje junction. It calls that stop informal, so confirm with Mujinjang bus company, 063-433-5282, before relying on it. Ask about both directions and the precise drop-off. Published tourist timetables are not a guarantee of today’s service; prearranged local transport may be simpler if connections do not fit.

A short section can still have a difficult step, narrow deck or slippery crossing. Ask for the exact start, surface, obstacles and available toilet rather than a general answer that the valley is easy. For mixed-ability groups, agree on a turnaround everyone can manage and keep the return on a route already checked.

Checked 18 October 2026: a county notice schedules controls from 1 November 2026 to 15 May 2027, with possible extension. Its attached route list marks Muryonggogae–summit open, but closes the summit approaches from Milmokjae, Jisogol, Samgeo, Yeonju and Beomyeondong, plus Goemokdong–Muryonggogae. Even an open-listed trail can be controlled during sustained fire danger. This does not confirm today’s weather, road access or valley crossings. Check with the county forestry team at 063-350-2465 and follow on-site notices; ask separately about the valley and Masil-gil if using them.