Negative aspects focus on logistical challenges and safety concerns faced by visitors of Topanga State Park. The most recurrent issue is the limited parking space that often requires early arrival to secure a spot, coupled with additional stress on busy weekends when parking is especially hard to find. Several reviews mention the need for exact change for the parking fee as a slight inconvenience, especially at unmanned stations. The necessity for sun protection and ample hydration is also a common warning, as parts of the park lack shade due to past fires or the natural landscape. Another safety concern is the presence of rattlesnakes, which has been a distressing factor for some, emphasizing the need for vigilance. Furthermore, the lack of amenities like close restrooms or benches along certain trails adds a layer of discomfort for users who may not be fully prepared for the back-to-nature experience. Last, the park's strict policy of no dogs on trails has disappointed some dog-owning hikers who are seeking a pet-friendly outdoor experience.