It’s best to drink bottled or filtered water. Tap water may not be safe for foreign travelers, especially those with sensitive stomachs.
Puerto Princesa, Palawan
Underground River
In an effort to conserve the Puerto Princesa Subterranean River, officials have set a daily limit on the number of visitors. This measure helps protect the area’s ecosystem and ensures it remains accessible for future generations. A permit is required for the Puerto Princesa Underground River Tour, and the approval process takes about three days. Travel agencies can arrange it beforehand to secure a spot on the chosen tour date.
