The Department of Environment and Natural Resources (DENR) issued a warning after a trekker and his companion entered a closed trail without authorization. The incident occurred in the Spartan Trail, which is currently closed to the public. The DENR alerted the individuals to the risks associated with entering restricted areas. The trail is part of a protected natural area. The DENR emphasized the importance of following safety guidelines and respecting restricted zones. The agency is monitoring the situation to ensure compliance with environmental protection measures. The incident highlights ongoing efforts to manage and preserve natural areas. The DENR has not yet confirmed if any damage occurred. The agency is encouraging visitors to check for official advisories before entering any trail. The case is under review by local authorities.