The success of your kayak trip depends essentially on the flow and water level of the Semois. Our API allows you to follow in real time the evolution of flow rates and risks of kayak navigation bans on the Semois. Based on government data hydrometrie.wallonie and acting as authority on kayak navigation on the Semois, no more surprises and unnecessary trips! Connect directly to the official site of SPW - Kayak Wallonia Environment Info (Updated in real time!) it guarantees you reliable data and warns you of risks of kayak navigation bans on the Semois!
The quality of your experience depends essentially on Semois conditions and water level, the only factor directly influencing safety and navigation experience.
| Real-time Flow (m³/s) | Water Level | Kayak Navigation Condition | Recommendation Algorithm |
|---|---|---|---|
| < 2.2 | Very low | Forbidden | 1Even Alle-Vresse forbidden |
| 2.2 - 50 | Normal to high | Allowed | 2Routes adapted to level |
| > 50 | Flood | Forbidden | 3Danger - Descent forbidden |
📊 What do these numbers mean?
Flow (m³/s): Volume of water passing a given point in one second. It depends on rainfall and snowmelt.
Water Level (m): Height of the river surface relative to a reference point.
KAYAKING ON THE SEMOIS IS ALLOWED.
Traffic is allowed under strict conditions. The Walloon Region can authorize or prohibit kayaking on the Semois. The current level (flow) of the Semois is 18.64 m³/s .
All information on kayak navigation on the Semois (mandatory closure days, Semois flow too dangerous or too low...). Indeed, thanks to our API, you will be immediately informed of navigation bans and schedules.
Kayaking on the Semois depends on weather conditions, and especially on water flow.
In case of heavy rain: water level can vary significantly from day to day, forcing us to close the activity for safety reasons.
In case of drought: the Walloon Region may prohibit kayaking on the Semois, for environmental protection reasons.
Ideal conditions! Stable flow and water level. Perfect for families. Recommended routes: Alle-Vresse, Alle-Membre. Pleasant temperature. Average crowds.
Absolute calm. Magnificent autumn colors. Gentle flow. Ideal for photographers and travelers seeking serenity. Routes: Poupehan-Membre.
High flows after rains. Perfect for sports enthusiasts. Routes: Alle-Bohan, Poupehan-Vresse. Attention to currents. Avoid heavy rain days.
Season reserved for experts, risk of hydrocution! Even if magical atmosphere, total silence. Would be ideal for enthusiasts. Although we remain open all year round.