Gravina

Welcome to Gravina, a Temperate island in the The Coastal Waters of Southeast Alaska and British Columbia, part of the majestic Pacific Ocean. This guide offers a comprehensive overview of what makes Gravina unique – from its geography and climate to its population, infrastructure, and beyond. Dive into the details:

• Geography and Size: Explore the island’s size and location.
• Climate and Weather: Weather patterns and temperature.
• Topography and Nature: Uncover the natural wonders of the island.
• Infrastructure and Travelling: Insights on reaching, staying, and making the most of your visit.
• News and Headlines: Latest News.

Geography and size of Gravina

Size: 253.1 km²
Coastline: 186.4 km
Ocean: Pacific Ocean
Sea: The Coastal Waters of Southeast Alaska and British Columbia
Continent: North America

Gravina is a Large Island spanning 253 km² with a coastline of 186 km.

Archipel: Alexander Archipelago – A group of about 1,100 islands off the southeast coast of Alaska, USA, known for their temperate rainforests and indigenous Tlingit culture.

Tectonic Plate: Molucca Sea – A small tectonic plate in the Molucca Sea in Indonesia, characterized by complex interactions with the surrounding Pacific, Eurasian, and Australian plates. Known for seismic activity and the formation of volcanic arcs.

The geographic heart of the island is pinpointed at these coordinates:
Latitude: 55.28744812 / Longitude: -131.77162937

Climate and weather of Gravina

Climate Zone: Temperate
Climate Details: Temperate Oceanic Climate
Temperature: Warm Summer

Climate Characteristics: Known for its moderate year-round temperatures with ample rainfall and no dry season. Warm summers are characteristic.

Topography and nature of Gravina

Timezone: UTC-09:00
Timezone places: America/Anchorage
Max. Elevation: 674 m
Mean Elevation: 166 m
Vegetation: Evergreen Needleleaf Forest
Tree Coverage: 67%

The mean elevation is 166 m. The highest elevation on the island reaches approximately 674 meters above sea level. The island is characterized by Plateau: Elevated flatlands rising sharply above the surrounding area, with a maximum elevation over 500 meters but a mean elevation less than 300 meters, forming unique highland areas on islands.

Dominating Vegetation: Evergreen Needleleaf Forest
Dominated by evergreen coniferous trees such as pines and firs, which retain their needle-like leaves throughout the year. These forests are often found in cooler climates. Gravina has a tree cover of 67 %.

Vegetation: 9 vegetation zones – Very Highly Diverse Island
Islands in this range are ecological powerhouses, showcasing a wide array of vegetation zones. Each zone, from lush rainforests to arid scrublands, coastal mangroves to mountainous regions, contributes to a complex and interdependent ecosystem. These islands are often hotspots of biodiversity, supporting numerous species and intricate ecological processes.

Infrastructure and Travelling to Gravina

Does the island have a public airport? yes.
Gravina has a public and scheduled airport. The following airports are located on this island: Ketchikan International Airport.

Does the island have a major port? no.
There are no major ports on Gravina. The closest major port is KETCHIKAN, approximately 1 km away.

The mean population of Gravina is 0 per km². Gravina is Uninhabited. The island belongs to United States of America.

Continuing your journey, Betton is the next notable island, situated merely km away.

Development Fail #16 - “Highway to Nowhere” Gravina Island AK

Development Fail #16 - “Highway to Nowhere” Gravina Island AK

Gravina Island, S.E. Alaska

KETCHIKAN DAY AT GRAVINA ISLAND

KETCHIKAN DAY AT GRAVINA ISLAND.

KETCHIKAN DAY AT GRAVINA ISLAND.

United States of America is classified as Developed region: G7: Group of Seven – Major advanced economies, including Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States. The level of income is High income: OECD.

News – Latest Updates and Headlines from Gravina

Stay informed with the most recent news and important headlines from Gravina. Here’s a roundup of the latest developments.

Please note: The data used here has been primarily extracted from satellite readings. Deviations from exact values may occur, particularly regarding the height of elevations and population density. Land area and coastline measurements refer to average values at mean high tide.