A reservoir-side mountain walk whose usable route, boat option, heat exposure and return timing should be chosen before entering the trail. This catalogue page connects the stop to traveller ratings, current field reports, nearby regional anchors and sourced community corrections.
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TODAY AT THIS PLACE
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PLAN THE VISIT
Good to know before you visit
Operator facts are labeled separately from Korea Era estimates and guidance.
A reviewed foundation built from official sources. Traveler edits are checked before publication.
RegionGoesan · ChungbukKorean map search괴산 산막이옛길Base trailRestored old road of about 4 km
This is not automatically a short round trip; add the chosen return mode.
Boat decisionSeparate tour-boat operation, fare and weather check
A boat return is not guaranteed municipal transit.
PiersChadolbawi, Sanmagi Village and Yeonhahyeop Cloud Bridge
Confirm which pier your current operator actually serves.
ParkingTwo parking areas listed by Goesan County
Record the correct lot and finish side before walking away from the vehicle.
Hiking extensionsCourse 1 about 4.4 km · Course 2 about 2.9 km
These mountain options are additional commitments, not the basic lakeside old road.
WeatherAsk the boat operator during monsoon or typhoon conditions
High heat, heavy rain and wind can also change the safe walking plan.
Checked August 29, 2026. Recheck current hours, admission, closures and transport before travel.
Map pinApproximate catalogue centre
Use a Korean map app for the exact entrance and final walking route.
Mobility checkTrail grade, steps, surface conditions, rest points and step-free alternatives are not assumed; check the official access notice.
DAY-OF PLAN
Know the sequence before you go.
Times from the operator are kept separate from Korea Era planning guidance.
01
Choose walk-back or boat return
The restored reservoir-side old road is about 4 km before optional hiking extensions. Decide how the group will return before committing to the outward walk.
02
Confirm the operator, pier and final return
Tour boats serve multiple piers under separate operators. Ask about the current fare, boarding point, weather status and final sailing.
03
Keep enough daylight for the confirmed return
Heat, rain and slippery deck or mountain surfaces slow the route. Turn back rather than depending on an unconfirmed late boat.
Not without confirmation. Operators, piers, weather and final sailings can change; choose and reconfirm the exact return before starting.
Is Sanmagi Yetgil only a short flat loop?
No. The base old road is about 4 km one way in the visitor plan, and optional mountain courses add more distance and grade.
Are the operating details for Sanmagi Yetgil Trail live?
The displayed guidance was checked August 29, 2026, but it is not a live operator feed. Open the linked official guide and a Korean map again on the day because hours, closures, tickets and transport can change.
Can a traveller correct this page?
Yes. Submit a sourced community wiki correction or a current field report; proposed facts are reviewed before becoming canonical information.
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TRAVELLER CHANNELS
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A reservoir-side mountain walk whose usable route, boat option, heat exposure and return timing should be chosen before entering the trail. This catalogue page connects the stop to traveller ratings, current field reports, nearby regional anchors and sourced community corrections.Recheck the official source before visiting.
Read the full Wiki articleDetailed facts, sources and revision history
KOREA ERA WIKI
TRAVEL KNOWLEDGE DOCUMENT
Sanmagi Yetgil Trail
산막이옛길A reviewed foundation built from official sources. Traveler edits are checked before publication.
Document statusReviewed foundation4 current facts0 recent approved edits
Global is the shared verified foundation. Country editions add approved local guidance; ratings, discussions and edit histories stay separate.
Showing the shared Global facts and Global edit history.
A reservoir-side mountain walk whose usable route, boat option, heat exposure and return timing should be chosen before entering the trail. This catalogue page connects the stop to traveller ratings, current field reports, nearby regional anchors and sourced community corrections.
2. Key facts and visitor information
Region
Goesan · Chungbuk
Korean map search
괴산 산막이옛길
Base trail
Restored old road of about 4 kmThis is not automatically a short round trip; add the chosen return mode.
Boat decision
Separate tour-boat operation, fare and weather checkA boat return is not guaranteed municipal transit.
Piers
Chadolbawi, Sanmagi Village and Yeonhahyeop Cloud BridgeConfirm which pier your current operator actually serves.
Parking
Two parking areas listed by Goesan CountyRecord the correct lot and finish side before walking away from the vehicle.
Hiking extensions
Course 1 about 4.4 km · Course 2 about 2.9 kmThese mountain options are additional commitments, not the basic lakeside old road.
Weather
Ask the boat operator during monsoon or typhoon conditionsHigh heat, heavy rain and wind can also change the safe walking plan.
Approximate catalogue centreUse a Korean map app for the exact entrance and final walking route.
Mobility check
Trail grade, steps, surface conditions, rest points and step-free alternatives are not assumed; check the official access notice.
3. Visit flow
01
Before entering the trail
Choose walk-back or boat return
The restored reservoir-side old road is about 4 km before optional hiking extensions. Decide how the group will return before committing to the outward walk.
02
At the boat board
Confirm the operator, pier and final return
Tour boats serve multiple piers under separate operators. Ask about the current fare, boarding point, weather status and final sailing.
03
At the chosen turnaround
Keep enough daylight for the confirmed return
Heat, rain and slippery deck or mountain surfaces slow the route. Turn back rather than depending on an unconfirmed late boat.
4. Traveler tips
Photograph the current boat board and keep the operator's boarding instruction before leaving the first pier.
Carry water and sun or rain protection because the reservoir route has long outdoor sections and limited fallback transport.
Do not add a mountain extension simply because it appears beside the old road; check distance, surface and daylight separately.
Search “괴산 산막이옛길” in Naver Map or Kakao Map and confirm the exact entrance and return route.
Recheck weather, trail or garden closures, last entry and seasonal conditions before departure.
The catalogue coordinate is an approximate centre pin, not turn-by-turn entrance guidance.
Not without confirmation. Operators, piers, weather and final sailings can change; choose and reconfirm the exact return before starting.
Is Sanmagi Yetgil only a short flat loop?
No. The base old road is about 4 km one way in the visitor plan, and optional mountain courses add more distance and grade.
Are the operating details for Sanmagi Yetgil Trail live?
The displayed guidance was checked August 29, 2026, but it is not a live operator feed. Open the linked official guide and a Korean map again on the day because hours, closures, tickets and transport can change.
Can a traveller correct this page?
Yes. Submit a sourced community wiki correction or a current field report; proposed facts are reviewed before becoming canonical information.