The new trail opens up the wildest area in this urban forest oasis. Clusters of mushroom sprout from the center of the path. Few have walked here yet. It is high summer and the wood thrush yet sings. Cicadas offer up a constant backing drone. Point of fact: dogs don’t process the switchback concept. It conflicts with their innate knowledge of the shortest distance rule. As the trail climbs from the deepest shaded low point, the morning heat barges uninvited into the cool air space. Sounds of the nearby freeway intrude. As I struggle to adapt, a certain chorus tears through my head in response. This walk is soon over.