Underground River permits and tickets in 2026
You cannot buy a ticket at the cave. A visitor entry permit has to be secured before you travel to the park, and the park's own notice board says no permit, no entry. Independent travellers do it in person at the booking office beside Mendoza Park, Brgy. Model — phone (048) 716-1522 — and about 95% of visitors skip all of that by letting a tour operator hold the permit for them. The gate fees themselves are cheap: ₱500 entrance, ₱150 environmental fee, ₱85 for the compulsory audio guide. Book 1–2 weeks ahead from December to May and up to a month for Holy Week.
No permit, no entry
The Underground River is permit-rationed, and the permit — not the bed, not the flight — is what sells out. A visitor entry permit must be secured before you travel to the park; the official notice board says no permit, no entry, and warns explicitly that turning up in Sabang, or sleeping there, guarantees you nothing. Roughly 95% of visitors let a tour operator hold the permit, and they are right to. Book 1–2 weeks ahead from December to May, and on any cruise-call day assume the day is gone.
This is the single fact that separates the Underground River from every other attraction in Puerto Princesa. Honda Bay, the fireflies, Ugong Rock, the crocodile farm — you can decide those over breakfast. The river is rationed, the ration is issued in the city rather than at the cave, and turning up in Sabang without one buys you a look at the wharf and a van ride home.
The daily visitor cap is widely reported as 900, and one 2025 source says 600 — the park's own site publishes no number we could find, so treat the exact figure as unconfirmed. What is not in doubt is that a cap exists, that it binds in peak season, and that cruise-ship days absorb blocks of it weeks ahead.
The park hours are the other hard limit: entries run 08:00–16:00 only, and that is a conservation rule rather than a staffing one — it keeps boats out of the cave mouth during the dawn and dusk flights of the nine bat species and two swiftlet species that live in it. There is no late permit and no evening product.
What the gate actually charges
Every one of these is collected separately and every one of them is cash. Tour prices bundle most of them; the ₱150 environmental fee is the one that still gets collected on the day even on products advertised as all-in.
| What you pay | 2026 price | Who collects it | Notes |
|---|---|---|---|
| Park entrance / visitor entry permit | ₱500 ~$9 | Booking office or your tour | The permit itself. Some sources still show a lower Filipino-citizen rate — that split is unverified, so budget ₱500. |
| City environmental fee | ₱150 ₱120 ages 3–20 | Cash, on the day | Valid about a year and it also covers Honda Bay. Keep the receipt and do not pay twice. |
| Audio guide | ₱85 ~$1.50 | At the cave lagoon | Compulsory, not optional. Bundled into every tour price. |
| Sabang terminal fee | ₱5–10 | Sabang wharf | Trivial, but it is another queue and another cash payment. |
| Wharf-to-beach boat, shared | ₱150–350 | Sabang wharf boat association | ₱1,100–1,500 for a whole 6–8 seat outrigger, so the per-head price depends entirely on how full it is. |
| Total on site, per adult | ₱900–1,100 ~$16–19 | — | Before any transport from the city. See the full ledger. |
A wharf-to-beach ferry rate increase was reported in 2024–25 but the old and new figures were never published in a source we could read — treat the ₱150–350 band as the working range and expect the upper end.
How far ahead you actually need to book
The booking office moved — most blogs have not noticed
Independent permits are issued at the Underground River Booking Office beside Mendoza Park, Brgy. Model, downtown. Phone (048) 716-1522.
A solid decade of blog posts, roughly 2015 to 2021, still send people to the old City Coliseum office. That office has moved. If a guide you are reading sends you to the Coliseum, that guide has not been updated in five years and you should discount everything else it tells you about prices too.
The process at the counter is unglamorous and works: take a number, wait, bring valid photo ID, and know your exact visit date before you get to the window — they issue for a specific day, not a flexible voucher. Staff speak English. Budget an hour of your morning, and note this is a downtown errand, so it costs you a tricycle hop of ₱12–25 shared rather than a real trip.
The other counter is the Sabang Tourist/Booking Office at Sabang wharf, which can sell into unused cap on the day. The park has posted a formal warning not to be misled by internet claims that going directly to the park, or staying overnight in Sabang, guarantees a permit. Sleeping in Sabang improves your odds — it does not make them certain, and the overnight page is honest about what that gamble is worth.
The booking office, in numbers
Can you book the permit online yet?
Honest answer: we could not confirm that pure permit-only self-booking works, and anyone telling you confidently either way in 2026 is guessing.
The park's own portal is undergroundriver.puertoprincesa.ph, and a digital booking platform intended to replace the manual ticketing system has been rolling out through 2026 as part of the same modernisation programme that is rebuilding Sabang wharf. How far along it is, and whether an individual can buy a bare permit with a card and no tour attached, is unverified. Check the official site on the day you are planning.
What confuses people is the number that does circulate. Wikivoyage lists an online-booking rate of about ₱2,235 per adult, and travellers read that as the permit price. It is not — that is a bundled, tour-priced package, and it sits right on top of the ₱2,000–2,500 the local operators quote for a full day with a van and lunch. If you are paying ₱2,235 you may as well be paying it to somebody who also drives you there.
Which is the practical conclusion for almost everybody: the permit is the thing that is scarce, tour operators hold permits as a matter of business, and the gap between a fully independent day and a joiner tour is around ₱1,000. The ledger page works that out line by line.
Let somebody else hold the permit
Local operators quote ₱2,000–2,500 (~$35–43) for a joiner with hotel pickup, van, permit, boat, audio guide and buffet lunch — check every platform against that number, and expect the ₱150 environmental fee in cash on the day regardless.
Everything here is cash
Every quoted price here is missing a fee, and the fee is cash. The ₱150 city environmental fee is collected separately even on tours that say all-inclusive — it is valid about a year and covers both the Underground River and Honda Bay, so keep the receipt and do not pay twice. Cheap local island tours quietly add ₱50–150 per island, ₱150 mask hire and ₱150 aqua shoes. The big platform listings mostly bake these in, which is why a ₱1,300 tour and a ₱1,880 tour often cost the same by lunchtime.
Draw cash in the city, and draw more than feels reasonable. Tours, tricycles, markets and most restaurants are cash. Foreign cards are charged about ₱250 per withdrawal at nearly every bank and per-transaction limits run ₱10,000–20,000. Airport machines empty at weekends and around the 15th and 30th. Sabang is effectively an ATM desert — arrive with the whole stay in your pocket. Always decline the machine's offer to charge you in your own currency.
There is no ATM you can rely on in Sabang and no card terminal at the cave lagoon. Draw what you need in the city, keep the ₱150 environmental fee receipt in your wallet for Honda Bay later in the week, and read the money page before you assume your card will work.
Permit questions, answered
Do you need to book the Underground River tour in advance?
Yes. A visitor entry permit must be secured before you travel to the park and there are no walk-ups at the cave itself. Book 1–2 weeks ahead December to May, up to a month for Holy Week, and treat any cruise-call date as gone. June to September you can often get a slot within 1–3 days.
Where is the Underground River booking office?
Beside Mendoza Park in Brgy. Model, downtown Puerto Princesa, phone (048) 716-1522. It moved from the old City Coliseum location, which is where blog posts written between 2015 and 2021 still send people. There is a second counter at Sabang wharf, 2 hours away.
How much does the Underground River permit cost?
The entrance permit is ₱500 (~$9). On top of that: ₱150 city environmental fee (₱120 for ages 3–20), ₱85 for the compulsory audio guide, ₱5–10 terminal fee and ₱150–350 for the shared boat. That is ₱900–1,100 all in on site.
Can I book the Underground River permit online?
Unconfirmed. The official portal is undergroundriver.puertoprincesa.ph and a digital booking platform has been rolling out through 2026, but whether permit-only self-booking works yet could not be verified. The ~₱2,235 online rate quoted on Wikivoyage is a bundled tour package, not a bare permit.
Can you get a same-day Underground River permit at Sabang?
Sometimes. The Sabang wharf office releases slots if the daily cap has not been reached, which is realistic in low season if you are at the window by 07:30. The park explicitly warns that going to the park, or overnighting in Sabang, guarantees nothing.
What time does the Underground River open?
Entries run 08:00 to 16:00 only, and that limit exists to keep boats out of the cave mouth during the dawn and dusk flights of nine bat species and two swiftlet species. Tour pickups from city hotels run 06:30–08:30 to make the first boats.
Is there really a 900-person daily cap?
A cap exists and 900 is the number almost everyone quotes, but one 2025 source says 600 and the park's own site publishes no figure we could find. Treat the exact number as unconfirmed; treat the scarcity as real, particularly December to May.
Does the ₱150 environmental fee cover anything else?
Yes — the ₱150 is a city fee valid for about 1 year and it also covers Honda Bay, where island entrance fees alone run ₱50–150 per island. Keep the receipt. Travellers routinely pay it twice in one week because they threw the first one away at the Sabang wharf gate.