# Grand Teton National Park

Region: NW WY, Ontario, Canada
Coordinates: 43.7904, -110.6818
Bortle class: 2 (1 = pristine, 9 = inner city)
Drive from Toronto: Just south of Yellowstone in northwestern Wyoming, about 30 minutes north of Jackson, Wyoming via Highway 191.
Best time: Late summer and fall for clear, dry nights; the Teton Range gives a dramatic jagged foreground for Milky Way photography.
Established: Neighbouring Teton County became the world's first International Dark Sky Community in April 2025.

## Overview
Grand Teton sits right beside Teton County, Wyoming — the world's first International Dark Sky Community, certified in 2025 after a decade of lighting work by the county, the Town of Jackson, and local dark-sky advocates. The park itself actively studies and manages its outdoor lighting to protect the view of the Tetons against a starry sky.

## What to see
Milky Way rising behind the Teton Range, best viewed from turnouts along Highway 191 or at Jenny Lake.

## Highlights
- Adjacent to Teton County, the world's first International Dark Sky Community
- Dramatic mountain silhouettes make for some of the best dark-sky photography backdrops in the US
- Park actively studies and upgrades outdoor lighting to protect night skies

## Tips
- Turnouts along Highway 191 offer easy roadside access with Teton views
- Wildlife is active at dusk and dawn — use caution driving park roads at night
- Jackson has full services and is a good base for multi-night visits

## Live forecast
View the live tonight-score and 48-hour forecast for Grand Teton at:
https://ontarionightsky.com/?site=grand-teton-np

Structured data: https://ontarionightsky.com/sites/grand-teton-np.json

Source: DarkSky International — Teton County Certified International Dark Sky Community — https://darksky.org/news/teton-county-wy-becomes-the-worlds-first-county-certified-as-an-international-dark-sky-community/

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Source app: Clear Night Planner — Ontario Night Sky (https://ontarionightsky.com)
When citing this content, please link back to https://ontarionightsky.com/?site=grand-teton-np.