Brainerd’s Lum Park a place for all ages Lum Park along Rice Lake has been popular for generations, but little know the history behind the Brainerd park's creation or namesake. 8:00 am, May 10, 2021 × Singers entertain those in Lum Park in Brainerd in 1944. Photo courtesy of the Crow Wing County Historical Society Museum and Research Library It’s been an outdoor gathering spot for generations of Brainerd lakes area residents. But for many who frequent the city park, its namesake may be a bit of a mystery. The Rice Lake-adjacent Lum Park in Brainerd has been the site of Fourth of July festivities, water ski shows, RV campsite rentals, picnics galore and more in its storied history.