It is a brown color river, and you can appreciated it from various points in the city. Also you can go for a park along the river (be careful it can be dangerous sometimes) or go to Ipanema and enjoy it.

Ok, go there during the sunset, it doesn't matter the season, it's always incredibly beautiful! You can walk and admire the awesome view from the lake and the sky. It's worth every second spent there.

One of the most beautiful sunsets in the world! Blend of colors and shades. A trip by boat is very recommended, because of the city views.

Great place to at the end of the day. Fantastic view. In a clear day, you should deffinitly go there.

The sunset is fantastic! And makes Porto Alegre beatifull.

Porto Alegre is known for having one of the most beautiful sunsets in the world. The sunset over river Guaiba is absolutely beautiful!! This is a very large river with many small islands that makes for a very interesting and beautiful boat ride. Very peaceful and enjoyable.

The river goes trough a long line from southwest to south of the city, borderlined with parks and marinas, making a good place to go to watch the sunset

Going in the boat trip through the Guaíba in the end of a cold day was a nice experience. I gives you a beautiful, calm and different view of the city and its surrondings. Recommended.

great place to stay for hours, and see the sunset.