Nature · Facts & stats · iChallenge network
Daily facts and stats about rivers and riversides, plus real challenges to put them to work.
What is the place where two rivers join called?
A confluence is where two rivers meet and flow on together.
One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Look at a stream, river or pond from a safe spot on land each day, or via a river webcam, and note one change. Check in once a day.
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With a friend or family member, pick up litter along a riverside path, staying well back from the water, and post a short write-up.
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Use a free online map to find which river your local rain drains into and post a short write-up tracing its route to the sea.
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Live counts from RiversideChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on RiversideChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
A phone camera covers most photo challenges.
Only what you post. Location data is never required.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.