The main trail through the Leona Heights Park is the York Trail, a linear trail connecting lower portion of the park at Mountain Boulevard to the upper portion near Merritt College. The lower entrance of the trail runs its course along Horseshoe creek and through second growth redwood groves that after many years since logging ceased in the area have grown to impressive heights. As the trail makes its way up the canyon the habitat transitions to oak woodland habitat filled with bay trees, thimble berries, wildflowers, and the city's namesake tree, the coast live oak. The trail eventually joins a fire road. This fire road starts from McDonnell Avenue and because of this the fire road carries an unofficial title of McDonnell trail. It should be noted that a majority of the land that the fire road winds through is privately owned. If the visitor continues in an easterly direction along the McDonnell fire road the visitor will be lead to another junction which can lead them to the alternate entrance to the park at 12500 Campus Drive or up to the old abandoned parking lot for Merritt College.