Snow-covered trail
RareSnow-covered trail
5-10% chance
Hauts-de-France·France
GR121B De Bailleul à Rieulay
Duration
3-5 days
Distance
123 km
Elevation gain
129 m
Max altitude
92 m
GR121B De Bailleul à Rieulay est un itinéraire de randonnée de 123 km en Hauts-de-France, France. Le parcours traverse notamment des secteurs de sommets, lacs, forêts, vignobles et falaises, avec une lecture progressive du territoire depuis le départ jusqu'à l'arrivée. Cette fiche Topok rassemble les informations essentielles pour comparer le tracé, préparer la carte et organiser la logistique avant le départ.
LakesForestsVineyardsCliffs
Stages
4
days
Overnight accommodation type
9 overnight locations
DifficultyDifficult
Duration / day7h00
Distance / day30.8 km
Elev. gain / day+89 m
Hardest stage
4Rieulay
44.4 km · +214 m · 10h15| Departure | Arrival | Accommodation on arrival | Profile | Duration | Distance | +Elev. | −Elev. |
|---|---|---|---|---|---|---|---|
1 Le SeauHamlet | HouplinesVillage | 5h00 | 21.9 km | +17 m | −23 m | ||
2 HouplinesVillage | CroixTown | 6h00 | 26.8 km | +52 m | −38 m | ||
3 CroixTown | AvelinVillage | 6h45 | 30 km | +74 m | −72 m | ||
4 AvelinVillage | RieulayVillage | — | 10h15 | 44.4 km | +214 m | −225 m |
Elevation profile
When to go
Best period : February - DecemberPossible with care : January
IdealPossibleAvoid
Click a month to view details
January - possible, with care
PossibleEach percentage is the probability of encountering the event at least once during the month, not its intensity or the share of the trail affected. Probabilities are calculated from weather and satellite data* from the last 10 years.
Cold nights
Cold nights
Minimums around ~ 1°C on high points
Cold nights
Significant rain
RareSignificant rain
5-10% chance
Storm-prone conditions
RareStorm-prone conditions
5-10% chance
Dry conditions
RareDry conditions
5-10% chance
Snow detail within the month
Early
Rare5-10% chance that the trail is snow-covered
Mid
Rare5-10% chance that the trail is snow-covered
Late
Rare5-10% chance that the trail is snow-covered
Sources: Open-Meteo and MODIS satellite data.
How to get there
By car
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