600km down, over 22% of the way there — Leon Chevallier's Danube Kayak Adventure is well underway. KTL's Leon Chevallier has now covered more than 600km along the River Danube. That's meant 11-hour days on the water, tough portages, temperatures hitting 38°C, and taking on the river's only white-water rapid. Along the way he's paddled past medieval castles and historic landmarks, through some genuinely stunning scenery, and got a real feel for the communities living along t