While not required, tipping your guide is a great way to show appreciation. A tip of around ₱100–₱300, depending on group size and tour length, is customary.
Subterranean River Puerto Princesa
As part of environmental conservation efforts, the Puerto Princesa Underground River imposes a daily visitor limit. This helps minimize disruption to wildlife and ensures that this national park remains a cherished destination for years to come. A permit, which takes three days to process, is required for the Subterranean River Puerto Princesa Tour. Many local travel agencies offer advance booking services to guarantee a hassle-free visit.
