NPS · Mississippi

Gulf Islands Wilderness

The Gulf Islands Wilderness comprises Horn and Petit Bois Islands, offering a place of solitude and self-reliance. Here, the undeveloped islands remain wild, with minimal signs of modern human impact, preserving their natural coastal beauty. The islands are continuously shaped by powerful oceanic and weather forces. The dynamic landscape intricate ecosystems, including rolling dunes, dense maritime forests, and unique wetlands is home to diverse adapted wildlife and plant species, including sea oats, live oaks, saw palmetto, prickly pear cactus, southeastern snowy plovers, southern bald eagles, American alligators, ghost crabs, and various snake species.

Description from Wilderness Connect (wilderness.net).

Official page at Wilderness Connect ↗
Gulf Islands Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byNational Park Service
StateMississippi
Size4,630 acres
Designated1978, by Congress
Center point30.23° N, 88.63° W
Night skyAbout as dark as the ground gets (Black Marble reading 7)

Boundary map

7 outlines

Boundary, simplified to about 0.005 degrees

The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.

Weather by month

NOAA climate normals →
Weather by month near Gulf Islands Wilderness40°50°60°70°80°January: 5.49 inches of precipitationFebruary: 4.36 inches of precipitationMarch: 5.08 inches of precipitationApril: 5.23 inches of precipitationMay: 5.91 inches of precipitationJune: 7.18 inches of precipitationJuly: 8.10 inches of precipitationAugust: 8.61 inches of precipitationSeptember: 6.82 inches of precipitationOctober: 4.48 inches of precipitationNovember: 4.07 inches of precipitationDecember: 5.10 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 48.9°F averageFebruary: 52.2°F averageMarch: 57.8°F averageApril: 63.7°F averageMay: 71.7°F averageJune: 77.7°F averageJuly: 79.6°F averageAugust: 79.7°F averageSeptember: 76.3°F averageOctober: 67.3°F averageNovember: 56.7°F averageDecember: 51.1°F average0 in2 in4 in6 in8 in10 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Pascagoula 3 NE, 15 miles from the center point at 12 feet, station USC00226718 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 70 inches a year.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Where to camp

Campsite Atlas →

No federal campground is within ten miles of the boundary in the Campsite Atlas index. Camping inside a wilderness is usually allowed away from trails and water, with no facilities; the managing agency page has the permit and group-size rules.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 82 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

Guidebooks for Mississippi

We earn a small commission if you buy through these links. It does not change what we list.

  • Guide to the Natchez Trace Parkway
    F. Lynne Bachleda, 2018
    Find at Bookshop.org
  • Exploring coastal Mississippi
    Scott B. Williams, 2014
    Find at Bookshop.org
  • Civil War Mississippi
    Michael Ballard, 2012
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

How big is Gulf Islands Wilderness?

4,630 acres.

Source: Wilderness Connect

Who manages Gulf Islands Wilderness?

The National Park Service.

Source: Wilderness Connect

What state is Gulf Islands Wilderness in?

Mississippi.

Source: Wilderness Connect

When was Gulf Islands Wilderness designated?

Congress designated it in 1978.

Source: Wilderness Connect

How do I get to Gulf Islands Wilderness?

A point inside the boundary is at 30.230° N, 88.632° W. The official page carries directions and the office address.

Source: Wilderness Connect

Are there historic places near Gulf Islands Wilderness?

The National Register has 82 listings within 15 miles, including Round Island Lighthouse and Moss Point Historic District.

Source: Register Atlas

Sources

  • Boundary, name, acreage, designation year, states and description: Wilderness Connect.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Trailheads and sites: the Forest Service Recreation Opportunities layer, points inside the boundary.
  • Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
  • Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.