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Biak-na-Bato National Park
Biak-na-Bato National Park in Bulacan province is a natural and historical sanctuary that served as a natural fortress for Filipino revolutionaries in the late 19th century. Its rugged terrain, composed of rock dens and hundreds of caves, provided a strategic refuge for General Emilio Aguinaldo and his troops during their fight against the Spanish. It was here that the Republic of Biak-na-Bato was proclaimed in 1897 and the first provisional constitution was drafted. Today, the park is a popular adventure destination, offering hiking trails that lead to historic caves like Bahay Paniki (House of Bats) and Aguinaldo Cave. Biak-na-Bato represents the great symbiosis between the wild beauty of nature and the sacrificial spirit of national heroes.
- Location: Philippines
- Top sights: Tila Pilon Hills · Digo's Hills · Mount Silid
- Nearby: San Jose del Monte (17 km)
Best time to visit & climate
The most pleasant time to visit is Jan–Mar.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 23 | 24 | 25 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 24 |
| Rain mm | 123 | 121 | 106 | 102 | 186 | 252 | 335 | 332 | 316 | 325 | 307 | 327 |
📋 Practical info
Geography
Facts
- The Pact of Biak-na-Bato, which led to a temporary truce with Spain, was signed here.
- The park covers an area of over 2,000 hectares in the Sierra Madre mountains.
- It is home to over 100 bird species and a rich endemic flora.
- The Aguinaldo Cave served as the presidential office and bedroom for the revolutionary leaders.
- The Balaong River runs through the park, offering picturesque spots for relaxation.
- It has been a protected site since 1937 by presidential decree.
- The limestone walls provided excellent natural protection against Spanish artillery.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Biak-na-Bato National Park (16)
Sights nearby
Frequently asked questions
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Biak-na-Bato National Park: where is it located?
Biak-na-Bato National Park: what is there to see?
Biak-na-Bato National Park: when is the best time to visit?
Biak-na-Bato National Park: why is it worth visiting?


























