Complex sentence: Marsden is also home to Scrubby Creek, which runs alongside Marsden, surrounding the area of Scrubby Creek are its lovely picnic grounds, as well as its bike and walking tracks which cover a fair length of the creek.
Split into simpler sentences: Marsden is also home to Scrubby Creek, which runs alongside Marsden. Surrounding the creek are its lovely picnic grounds, as well as its bike and walking tracks which cover a fair length of the creek.