Meet GORP's Expert Angler, fly fisherman, writer and photographer Mark D. Williams.

Mark's pursued trout in hundreds of rivers across America, and shares his experience and expertise with GORP's angling community each week.

Mark's a veteran outdoor writer with hundreds of articles and several books under his wading belt, including the acclaimed Trout Fishing Sourcebook.

Here's how Mark will help keep your lines tight:

Expert Answers

Check out Mark's expert answer archive for answers to a series of questions from the GORP audience.

Skill Builders

Mark writes new skill builders twice a month. These how-to articles will teach you new casts, help you read the water, figure out how to match the hatch, and more. Check out Mark's skill builders for a quick glance at the topics he's covered so far.

Feature Stories

Once a month, Mark profiles one or more of his favorite trout streams. Want to know what it's like to fish a pristine spring creek in New Mexico? Wondering how to escape the angling masses in Yellowstone National Park? Mark will tell you. He'll also show you what kind of gear to pack, what kind of flies to use, how to fish, where to fish, and how to get there. Take a virtual fishing trip and check out Mark's articles.

Fishing Community

Mark hosts GORP's Fishing Forum, where members of the GORP Fishing Community gather to exchange ideas, ask advice, swap fish tales and debate hot topics. Every week, Mark tosses out a new"Stream Line" for discussion, and every month, poses a new debate topic.