# Mount Islip, United States: what it is and when to go

> Mount Islip is a mountain in the San Gabriel Mountains of California in United States, at 2,518 m above sea level. Interests: Nature and Mountains. The best time to visit is July to September, a short season because of the altitude. In June there are 14 h 17 of daylight, and in December, 9 h 43. It has articles in 2 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. 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/america/estados-unidos/mount-islip/
- Reviewed on: 2026-10-08
- Language: en

## In a nutshell

- **What it is:** Mountain in the San Gabriel Mountains of California · Nature, Mountains
- **Where:** United States
- **Elevation:** 2,518 m
- **Best time:** July to September.
- **Nearest airport:** LAX Los Angeles, 69 km as the crow flies
- **Coordinates:** 34.3451, -117.83995

## What it is and where

Mount Islip is a mountain in the San Gabriel Mountains of California in United States, at 2,518 m above sea level. It has articles in 2 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace.

Its coordinates are 34.3451, -117.83995; the nearest main airport is Los Angeles International Airport (LAX, Los Angeles), 69 km as the crow flies. How to get around United States (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=34.345098%2C-117.839953)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=34.345098%2C-117.839953)

It is one of the [Nature](https://kokai.app/en/paises/america/estados-unidos/naturaleza/) and [Mountains](https://kokai.app/en/paises/america/estados-unidos/montana/) places in United States. 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 Mount Islip is **July to September**, and the season is short because it sits at 2,518 m: above 1,800 m there is snow until June and it returns in October.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Better not | 9 h 57 |
| February | Better not | 10 h 46 |
| March | Better not | 11 h 45 |
| April | Better not | 12 h 52 |
| May | Better not | 13 h 48 |
| June | Possible | 14 h 17 |
| July | Best time | 14 h 05 |
| August | Best time | 13 h 17 |
| September | Best time | 12 h 12 |
| October | Possible | 11 h 07 |
| November | Better not | 10 h 10 |
| December | Better not | 9 h 43 |

In June there are 14 h 17 of daylight, and in December, 9 h 43. 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 |
| --- | --- | --- |
| Nature | July to September | June and October |
| Mountains | July to September | June and October |

It is not the same trip whatever you come for: Mount Islip 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 United States in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#cuando-ir).

## Before you go to United States

To enter United States there are 9 things to sort out before you leave, starting with “Book national parks and cars in advance”: they are all, with their deadlines, in [the United States checklist](https://kokai.app/en/paises/america/estados-unidos/#antes-de-salir). Currency: US dollar (USD); plugs: Type A and B · 120 V · 60 Hz (you need an adapter, and check your devices' voltage); 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

- [Mount Hawkins](https://kokai.app/en/paises/america/estados-unidos/mount-hawkins/): Mountain in California, United States of America · 3.2 km
- [Throop Peak](https://kokai.app/en/paises/america/estados-unidos/throop-peak/): Mountain in United States of America · 3.8 km
- [South Mount Hawkins](https://kokai.app/en/paises/america/estados-unidos/south-mount-hawkins/): Mountain in California, United States · 4.6 km
- [Mount Burnham](https://kokai.app/en/paises/america/estados-unidos/mount-burnham/): Peak in the San Gabriel Mountains · 5.6 km
- [Mount Baden-Powell](https://kokai.app/en/paises/america/estados-unidos/mount-baden-powell/): Mountain in the San Gabriel Mountains of California · 7.1 km

Distances are as the crow flies. Everything else is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

## More in United States: Nature

- [Niagara Falls](https://kokai.app/en/paises/america/estados-unidos/niagara-falls-2/): three waterfalls that straddle the international border between Canada and the United States
- [Grand Canyon](https://kokai.app/en/paises/america/estados-unidos/grand-canyon-2/): steep-sided canyon carved by the Colorado River in Arizona, United States
- [Yellowstone National Park](https://kokai.app/en/paises/america/estados-unidos/parque-nacional-de-yellowstone/): first national park in the world, located in Wyoming, Montana, and Idaho in the United States
- [Denali](https://kokai.app/en/paises/america/estados-unidos/monte-denali/): highest mountain in North America, located in Alaska
- [Mount Rushmore](https://kokai.app/en/paises/america/estados-unidos/mount-rushmore/): mountain in South Dakota featuring a sculpture of four US presidents
- [Mauna Kea](https://kokai.app/en/paises/america/estados-unidos/mauna-kea/): Hawaiian volcano

Every United States place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/naturaleza/).

## Frequently asked questions

### What is Mount Islip?

It is a mountain in the San Gabriel Mountains of California in United States. It has articles in 2 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace.

### When is the best time to visit Mount Islip?

July to September, and it is worth checking carefully: at 2,518 m the season is shorter than lower down. In June there are 14 h 17 of daylight, and in December, 9 h 43.

### How do you get to Mount Islip?

The nearest main airport is Los Angeles International Airport (LAX), 69 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=34.345098%2C-117.839953) opens the route on the map, and how to get around United States is explained in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse).

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

With one tap. In Kokai it is already on the United States 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 [Mount Hawkins](https://kokai.app/en/paises/america/estados-unidos/mount-hawkins/), [Throop Peak](https://kokai.app/en/paises/america/estados-unidos/throop-peak/), [South Mount Hawkins](https://kokai.app/en/paises/america/estados-unidos/south-mount-hawkins/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

Data from [OpenStreetMap](https://www.openstreetmap.org/node/358786431), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q6921443), CC0. More about Mount Islip on [Wikipedia](https://en.wikipedia.org/wiki/Mount_Islip). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

