All trails
GR-HSULong Distance Trail (GR)·Linear
GR-HSU - Sentier de la Haute-Sure
Rombach-Martelange
Very hard85.8/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Demanding Climb
CAT 4
km 13.2 · 0.8 km Distance
15% Avg
334m – 450mSlope22% Max
RiskHIGH
Dangerous Descent
km 14.1 · 0.3 km Distance
21% Avg
390m – 455mSlope21% Max
RiskHIGH
Demanding Climb
CAT 4
km 38.6 · 0.9 km Distance
12% Avg
287m – 400mSlope17% Max
RiskHIGH
Demanding Climb
CAT 4
km 49.2 · 0.9 km Distance
12% Avg
268m – 379mSlope16% Max
RiskHIGH
Dangerous Descent
km 37.0 · 1.4 km Distance
13% Avg
282m – 471mSlope30% Max
RiskMEDIUM
Demanding Climb
km 52.4 · 0.6 km Distance
11% Avg
245m – 307mSlope15% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 31.6 · 0.9 km Distance
9% Avg
355m – 443mSlope15% Max
RiskMEDIUM
Dangerous Descent
km 25.2 · 0.5 km Distance
10% Avg
341m – 396mSlope13% Max
RiskMEDIUM
Distance
70.0 km
Est. duration
19h 39min
Elevation gain
+1,288 m
Elevation loss
-1,472 m
Highest point
492 m
Lowest point
199.9 m
Average elevation
353 m
7-Day Forecast
Slope distribution
Flat (≤1%)15%Gentle (1–5%)44%Steep (5–10%)22%Extreme (≥10%)19%
Child-friendlyNo
Pet-friendlyNo
- 🥾Mountain boots with Vibram soleFootwearEssential
- 🪄Trekking poles highly recommendedTrekking polesEssential
- 💧Carry 11–12 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🩹Basic first aid kit + whistle + thermal blanketFirst aid kitEssential
- 🗺️GPS or offline route downloadNavigationEssential
Similar trails
| Start municipality | Rombach-Martelange |
| Start | 49.83330, 5.74055Open in maps |
| End | 49.84551, 6.09771 |
| Track points | 4,221 |