The Backpacker Magazine has a section called Daily Tips for hiking. A recent tip is this one on finding hiking partners.

Finding Hiking Partners
Backpacker Magazine
Daily Tip

Looking for a suitable trailmate? It can be challenging, but try these tips to find your perfect outdoor partner.

Stellar conversation, a compatible pace, someone who won't hog the Oreos--that's our idea of good hiking company. But for newcomers, finding suitable trailmates can be challenging. Try these techniques.

Talk it up

Enthusiastically mention a recent trek to family, friends, coworkers, and acquaintances. You'll be surprised at how many people-and sometimes, which people-share your interest.

Find a group

Hiking clubs and conservation groups are a deep well of potential partners. Most organize group hikes led by experienced volunteers. Contact your local Sierra Club chapter; log onto www.americanhiking.org for a nationwide list of clubs; or check out camping stores, regional outdoors magazines, or the Web for other resources. More…

For more reading on the subject, try this search on "hiking."