Ancien Bisse du Levron
EASY (1.3/10)La Chaux → Les Déforants
3D Trail Preview
Ancien Bisse du Levron is a 10.7 km point-to-point easy hiking route in Switzerland, running from La Chaux to Les Déforants. The route covers 221m of ascent and 562m of descent, with elevations ranging from 1,884m to 2,233m. Allow approximately 2h 58m for the full route.
The route is divided into 6 segments.
With 91% of the route below 15% gradient, strong trail runners can maintain a good rhythm for much of the distance. Some pitches hit 41% gradient, so trekking poles are strongly recommended.
Budget roughly 1,338 kcal of energy expenditure and 1.8 L of water.
Mountain route up to 2234m. Best June–October; snow possible into June.
Elevation Profile
Route Map
Trail Splits
Waypoint-to-waypoint breakdown with estimated hiking times (Naismith's Rule).
| Segment | Dist | ↑ Ascent | ↓ Descent | Time | Cum. km |
|---|---|---|---|---|---|
📍 La Chaux → Attelas | 3.7 km | +62m | -307m | 1h 06m | 3.7 |
⛰️ Attelas → Mont Rogneux | 0.8 km | +17m | -28m | 13 min | 4.5 |
⛰️ Mont Rogneux → Tête des Etablons | 1.8 km | +41m | -63m | 28 min | 6.3 |
⛰️ Tête des Etablons → Savoleyres | 1.1 km | +17m | -13m | 15 min | 7.4 |
⛰️ Savoleyres → Tournelle | 0.8 km | +8m | -17m | 11 min | 8.2 |
⛰️ Tournelle → Les Déforants | 2.4 km | +76m | -134m | 43 min | 10.7 |
| Total | 10.7 km | +221m | -562m | 2h 58m | 10.7 |
Pace & Fuel Calculator
Adjust your flat 10K pace to see personalized finish time, calorie burn, and hydration needs.
Terrain Analysis
Surface & Technicality
🏃 Mostly runnable with gentle terrain. Great for fast trail running.
Sun Exposure
☀️ High sun exposure. 33% of the route is above the treeline (2000m) with minimal shade. In summer, start before 7am to avoid peak UV. Carry sunscreen, a hat, and extra water.
Current Conditions
Conditions for June
✅ Snow unlikely at this elevation in June. Trail conditions expected to be clear.
🥾 Muddy sections likely. Waterproof boots recommended.
Snow Conditions
Suggested Gear List
Auto-generated based on 10.7 km, 221m ascent, max altitude 2233.5m, ~3h duration.
- 👟 Trail running shoes / hiking bootsRequired for any trail
- 📱 Phone (charged) + offline mapNavigation & emergency contact
- 💧 2L hydration packNo water sources on route
- 🍫 Energy bars & gelsEst. 1338 kcal burn
- 🧴 Sunscreen SPF 50+UV intensifies above 2000m
- 🧢 Sun hat / capExposed alpine terrain
- 🧥 Windbreaker / shell jacketSummit at 2233.5m — wind chill
- 🕶️ Sunglasses (cat 3+)Snow & rock glare at altitude
- 🧤 Warm mid-layer (fleece)Temps drop ~6°C per 1000m
- 🩹 Mini first aid kitBlister plasters, tape, antiseptic
- 🧊 Microspikes / light cramponsSnow risk in November, December, January
- 🦵 GaitersKeep snow out of boots
- 💰 Cash (CHF/EUR)Mountain huts often cash-only
Logistics
This route runs from La Chaux to Les Déforants (10.7 km by trail). You'll need to arrange transport back to your starting point.
Nearby Points of Interest
⛰️ Peaks
- Mont Gelé 2.0 km off trail
🏠 Mountain Huts
- Cabane Mont Fort 757m off trail
📍 Nearby Places
- Les Naires km 0.5 · 404m off trail
- Les Tsezaux km 0.7 · 1.3 km off trail
- Les Siés km 0.7 · 1.4 km off trail
- Le Mayen km 0.7 · 1.6 km off trail
- Les Miaux km 1.2 · 1.6 km off trail
Route Details
- Network
- Local Trail Network
- Sport
- hiking
- Start
- La Chaux
- End
- Les Déforants
- Start Coordinates
- 46.07971, 7.27297
- OpenStreetMap
- View on OSM →
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