All trails
GR-4Long Distance Trail (GR)·Linear
GR-4 - ViaJacobi
Rapperswil-Jona, St. Gallen
Hard58.9/100Year-round
Distance
30.0 km
Est. duration
8h 15min
Elevation gain
+441 m
Elevation loss
-531 m
Highest point
1,121.8 m
Lowest point
421.1 m
Average elevation
739 m
Elevation profile
Flat (≤1%)Gentle (1–5%)Steep (5–10%)Extreme (≥10%)
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Demanding Climb
CAT 4
km 21.0 · 0.6 km Distance
23% Avg
757m – 905mSlope42% Max
RiskHIGH
Demanding Climb
CAT 3
km 23.0 · 1.0 km Distance
16% Avg
960m – 1122mSlope33% Max
RiskHIGH
Demanding Climb
km 7.4 · 0.5 km Distance
12% Avg
550m – 616mSlope17% Max
RiskHIGH
Dangerous Descent
km 26.2 · 1.5 km Distance
15% Avg
697m – 913mSlope29% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 8.9 · 1.8 km Distance
8% Avg
614m – 760mSlope20% Max
RiskMEDIUM
Dangerous Descent
km 24.1 · 1.9 km Distance
11% Avg
913m – 1120mSlope17% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 4.4 · 1.1 km Distance
9% Avg
483m – 577mSlope16% Max
RiskMEDIUM
Dangerous Descent
km 29.3 · 0.5 km Distance
11% Avg
628m – 691mSlope11% Max
RiskMEDIUM
7-Day Forecast
Slope distribution
Flat (≤1%)13%Gentle (1–5%)38%Steep (5–10%)24%Extreme (≥10%)25%
Child-friendlyNo
Pet-friendlyNo
- 🥾Mountain boots with Vibram soleFootwearEssential
- 🪄Trekking poles highly recommendedTrekking polesEssential
- 💧Carry 6–7 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 | Rapperswil-Jona |
| Region | St. Gallen |
| Start | 47.23224, 8.83394Open in maps |
| End | 47.41159, 8.96698 |
| Track points | 2,726 |