Reykjadalur Hot Springs is a natural thermal river spa in Iceland that offers a unique bathing experience. The hike is relatively easy, taking about 45 minutes each way. It can be more challenging in the winter if there's a lot of snow.

It's also a perfect place to visit when the weather is not good because you can just sit in the river and be warm and cozy.

Google Reykjadalur Caffé to get to the trailhead and find a place to park. There's a paid parking 250 isk/hour