Hassayampa Nature Walk …WICKENBURG, AZ… The Nature Conservancy’s Hassayampa River Preserve will host its monthly interpretive nature walk from 8:30 to 10 a.m. on Saturday, April 25.   Nature enthusiasts of all ages will enjoy an easy, docent-led walk along the preserve’s trails to learn about the plants, animals and birds that make their home in this spectacular streamside oasis and about the history of early inhabitants.   After the walk participants can explore additional trails on their own, stroll through the demonstration garden, and view the nature displays in the visitor center.   Reservations are required. Call (928) 684-2772 or email: bmccollum@tnc.org to make reservations or for more information. Also, visit our website: nature.org/hassayampa.   The preserve is open to the public  8 a.m. until 5 p.m., Wednesday through Sunday.   Admission fees are $5 per person, $3 for Conservancy members. Kids 12 and under and Friends of the Hassayampa members are free.      The 770-acre Hassayampa River Preserve is located on Highway 60 three miles southeast of Wickenburg at milepost 114. It was created in 1987 to protect a rare desert cottonwood/willow streamside habitat that attracts more than 280 species of birds annually and supports diverse plant and animal communities.