Portrait of Quentin Deligne, hydrology expert and founder of Kayak Belgique

About us

Kayak Belgique: « The Guardian of the Semois »

The hydrology & kayak-safety expertise platform for the Semois valley
KSA algorithm (API v2.4.0) · Founded by Quentin Deligne

From Vresse-sur-Semois, in the heart of the Belgian Ardennes, our team follows the hydrology of the Semois, Lesse and Ourthe and writes all of the platform's content and algorithms.

Field Experience

Based in the Vresse-sur-Semois region, we have paddled the Ardennes rivers (Semois, Lesse, Ourthe) for many years. For us kayaking is more than a hobby: it is a constant study of nature. Our founder, Quentin Deligneis an expert in river hydrology. He learned to read currents, to anticipate floods and to grasp how directly the weather affects kayakers' safety. That close knowledge of the Ardennes valleys is what lets us give reliable advice, grounded in what actually happens on the water.

Safety & Algorithmic Expertise

Recreational boating can turn dangerous fast when river signals are ignored. Our main aim is to guarantee the absolute safety of everyone who paddles. We combine practical experience with nautical safety standards to issue strict recommendations on equipment (for example the 5mm neoprene wetsuit that is mandatory on cold days), so as to prevent serious risks such as cold shock response or hypothermia.

The Kayak Belgique Algorithm

Precise, centralised information was missing, so we developed a custom hydrological API (v3.0.0). Every 15 minutes the system analyses official data from the Public Service of Wallonia (ODWB) in real time, which keeps everything fully transparent.

Exclusive Comfort Index

We did not stop at flow rate (m³/s): we also built an algorithm that calculates a Difficulty Score and a Comfort Index which takes water temperature, windchill and the actual water level into account.

🌊 Live demonstration: KSA Data algorithm api_version: “2.4.0”, connected in real time to ODWB data 🌊

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💧 River Flow -- m³/s
🌡️ Water Temp. -- °C
🎯 Comfort Index
--/100
🛶 Navigation --
⚖️ Navigation Difficulty --/100
📅 Best Day -- --

Advice from the Semois Guardian (data generated by KSA)

  • Outfit: --
  • Hydration: --
  • Protection: --

Our Mission

« Our goal is to make the Semois accessible to everyone, respecting its fragile ecosystem and ensuring maximum safety through transparent, reliable, official data. »

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