The Donaréo Vallon is by far the prettiest of the 11 dark vallons located within the Nice area.
You'll follow the very shallow river that flows down this lush greenery canyon up to 80m high, 1m wide. You may encounter tunnels, caves, and cascades along this 1-mile moist walk.
Beware of potential flash floods aggravated by a closed environment all over the year. Make sure to consult weather forecast.
Difficulty: Short Walk
Access: Upward: Park at the Crematorium parking lot
Downward: Park at Castagniers Village, head to the tennis court, leave it in your left then take a tiny but steep path that will lead you to down the river.