What are the best places in the D.C. area for hiking?

As the weather finally begins to cool down, it’s time to take a moment to breathe in the fresh air and enjoy the green leaves before they soon change colors and fall.

At this point of the year, Curbed DC wants to ask readers this: when you want to relax in the great outdoors, where do you go?

Washington, D.C., has a good number of options for hiking, from the Valley Trail in Rock Creek Park to Theodore Roosevelt Island, but how do you narrow them down to the favorite few?

Let Curbed DC and its readers know your favorite hiking trails in the comments.