Houston Happy Hikers will sponsor 6k and 10k walks along Buffalo Bayou Feb. 20, starting at Hickory Hollow Restaurant, 101 Heights Blvd. Participants can start the noncompetitive trek anytime between 9 a.m.-12 noon to finish by 3 p.m. The trail leads along Buffalo Bayou between Shepherd and Sabine and features views of downtown Houston's skyline. The Buffalo Bayou Park, recently opened, is also along the route. Children under 12 must be accompanied by an adult. Leashed pets welcome. Registration fee is $3 for everyone. For information, see www.houstonhappyhikers.com.