# Stewart Seamount, Philippines: what it is and when to go

> Stewart Seamount is a reef (管事暗滩) in Philippines. Interests: Beaches and Diving. The best time to visit is December to April. In June there are 13 h 01 of daylight, and in December, 10 h 59. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/asia/filipinas/stewart-seamount/
- Reviewed on: 2026-10-08
- Language: en

## In a nutshell

- **What it is:** Reef · Beaches, Diving
- **Local name:** 管事暗滩
- **Where:** Philippines
- **Best time:** December to April.
- **Nearest airport:** MNL Manila (Pasay), 387 km as the crow flies
- **Coordinates:** 17.14607, 118.65888

## What it is and where

Stewart Seamount is a reef (管事暗滩) in Philippines.

Its coordinates are 17.14607, 118.65888; the nearest main airport is Ninoy Aquino International Airport (MNL, Manila (Pasay)), 387 km as the crow flies. How to get around Philippines (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/filipinas/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=17.146072%2C118.658882)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=17.146072%2C118.658882)

It is one of the [Beaches](https://kokai.app/en/paises/asia/filipinas/playa/) and [Diving](https://kokai.app/en/paises/asia/filipinas/submarinismo/) places in Philippines. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

The best time to visit Stewart Seamount is **December to April**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Best time | 11 h 05 |
| February | Best time | 11 h 27 |
| March | Best time | 11 h 53 |
| April | Best time | 12 h 23 |
| May | Possible | 12 h 48 |
| June | Better not | 13 h 01 |
| July | Better not | 12 h 56 |
| August | Better not | 12 h 35 |
| September | Better not | 12 h 05 |
| October | Better not | 11 h 36 |
| November | Possible | 11 h 11 |
| December | Best time | 10 h 59 |

In June there are 13 h 01 of daylight, and in December, 10 h 59. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

| What you come for | Best time | Possible |
| --- | --- | --- |
| Beaches | December to April | May and November |
| Diving | December to April | May and November |

It is not the same trip whatever you come for: Stewart Seamount has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you.

When to go to Philippines in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/filipinas/#cuando-ir).

## Before you go to Philippines

To enter Philippines there are 9 things to sort out before you leave, starting with “Passport with six months' validity and two blank pages”: they are all, with their deadlines, in [the Philippines checklist](https://kokai.app/en/paises/asia/filipinas/#antes-de-salir). Currency: Philippine peso (PHP); plugs: Type A, B and C · 220 V · 60 Hz (European voltage with American sockets: you need an adapter); emergencies: 911 for everything.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [Alaminos Cathedral](https://kokai.app/en/paises/asia/filipinas/alaminos-cathedral/): Roman Catholic cathedral in Alaminos, Pangasinan, Philippines · 179 km
- [La Union Watchtowers](https://kokai.app/en/paises/asia/filipinas/baluarte-watchtower/): Spanish colonial watchtowers in La Union, Philippines · 185 km
- [San Fernando Cathedral](https://kokai.app/en/paises/asia/filipinas/saint-william-the-hermit-cathedral/): Roman Catholic cathedral in La Union, Philippines · 186 km
- [Vigan Cathedral](https://kokai.app/en/paises/asia/filipinas/vigan-cathedral/): Roman Catholic cathedral in Ilocos Sur, Philippines · 190 km
- [Bantay Church](https://kokai.app/en/paises/asia/filipinas/saint-augustine-parish-church/): Church in Ilocos Sur, Philippines · 190 km

Distances are as the crow flies. Everything else is in [the Philippines guide](https://kokai.app/en/paises/asia/filipinas/).

## More in Philippines: Beaches

- [Scarborough Shoal](https://kokai.app/en/paises/asia/filipinas/bajo-de-masinloc/): atoll and reef in the South China Sea
- [Apo Reef](https://kokai.app/en/paises/asia/filipinas/apo-reef/)
- [Johnson South Reef](https://kokai.app/en/paises/asia/filipinas/johnson-south-reef/): reef in the People's Republic of China
- [Second Thomas Shoal](https://kokai.app/en/paises/asia/filipinas/second-thomas-shoal/): Reef in the South China Sea
- [Cape Engaño](https://kokai.app/en/paises/asia/filipinas/engano-cove/): cape in Philippines
- [Ardasier Reef](https://kokai.app/en/paises/asia/filipinas/ardasier-reef/)

Every Philippines place under Beaches, each with its season, is on [its page](https://kokai.app/en/paises/asia/filipinas/playa/).

## Frequently asked questions

### What is Stewart Seamount?

It is a reef (管事暗滩 in the local language) in Philippines.

### When is the best time to visit Stewart Seamount?

December to April. In June there are 13 h 01 of daylight, and in December, 10 h 59.

### How do you get to Stewart Seamount?

The nearest main airport is Ninoy Aquino International Airport (MNL), 387 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=17.146072%2C118.658882) opens the route on the map, and how to get around Philippines is explained in [its country guide](https://kokai.app/en/paises/asia/filipinas/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the Philippines map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [Alaminos Cathedral](https://kokai.app/en/paises/asia/filipinas/alaminos-cathedral/), [La Union Watchtowers](https://kokai.app/en/paises/asia/filipinas/baluarte-watchtower/), [San Fernando Cathedral](https://kokai.app/en/paises/asia/filipinas/saint-william-the-hermit-cathedral/). The rest is in [the Philippines guide](https://kokai.app/en/paises/asia/filipinas/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/425276740), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

