Free Lithia Park Nature Walks. Enjoy beautiful Lithia Park’s natural history three days a week (four during July and August), rain or shine. Trained volunteer naturalists from the Ashland Parks & Recreation Department will lead an easy, interesting, 1.5-hour nature walk through Lithia Park. Topics include: trees, flowers, birds, climate, water, geology, and the history of the park. Nature walks are free and all ages are welcome. Please meet at the park entrance, across from the Plaza in Ashland. Walks are provided by the Ashland Parks & Recreation Department and will take place from 10:00 am to 11:30 am on Saturdays (July and August only), Sundays, Wednesdays, and Fridays; from May 1 through September 30. Pre-registration is not required for the Nature Walks. For more information call the main Parks office at 541.488.5340.