A lot of these incidents were made worse by extreme weather—flash floods and crazy heat have been a real problem lately. Rangers say it’s important to come prepared for anything. People might forget that temperatures can hit 120 degrees or that a simple hike could turn into a life-threatening situation without proper planning.

Meghan Smith, the preventive search and rescue coordinator at the park, told NPR that to stay safe, bring plenty of water, snacks, and layers, and always have a backup plan. The canyon is incredible, but if you’re not careful, it can catch you off guard. Being prepared is key to having an epic, safe adventure.