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About WalkBike Marin is an initiative by the Marin County Department of Public Works to encourage walking and bicycling as everyday transportation and a way to make Marin more healthy, livable, and environmentally sustainable. The goal of the WalkBike Marin  is to provide information about all the County’s bicycle and pedestrian projects. For more information...

About Rising sea levels and more severe storm flooding as a result of climate disruption are impacting us here in Marin County. These impacts are expected to increase in frequency and severity as sea level rise accelerates. Sea level rise adaptation planning is a collaborative effort by multiple agencies, partners, and municipalities, including the County...

About In September 2008, California Assembly Bill AB2286 was signed into law by the Governor requiring that by January 1, 2014 all businesses and agencies report to their CUPA electronically. As a result, Marin County CUPA is requiring all regulated facilities report electronically by January 1, 2014, to CalEPA’s California Environmental Reporting System (“CERS”).  CERS...

Information Permit extension request SRRQ Application for Amendment County Notice of Project Status Other documents 2018 Reclamation Period Summary Tech Memo 2018 Background Period Summary Tech Memo Request to Extend expiration of Quarry Permit #Q-72-03, Amendment #2 allowing importation of asphalt pavement grindings 7/21/15 Water Quality Report for Quarry Bowl December 30, 2014 July 16,...

Youth Young people in Marin County enjoy several opportunities to participate in aviation activities. The airport observation area near the north gate on Airport Road provides a place to watch planes arrive and depart, to listen to the radio traffic, and spot airplanes near the airport. The Young Eagles program introduces young boys and girls to...

FAA - Record of Decision (ROD) July 2020 ROD - Proposed Extension of Runway 13/31 Final Supplement to Final Environmental Impact Statement (SEIS) January 2020 Volume 1 Final SEIS Cover Sheet[PDF] Final SEIS Inside Cover[PDF] Table of Contents[PDF] Acronyms and Glossary of Terms[PDF] Final SEIS Summary[PDF] Chapter 1: Background[PDF] Chapter 2: Purpose and Need[PDF] Chapter...

Aircraft owners and operators may park or store their aircraft at Gnoss Field. Transient parking Daily transient parking is free and no commercial landing fees apply. Aircraft parked overnight on tie-downs will be tagged and fees are $10/night for small aircraft, $15/night for turboprop aircraft, and $20/night for turbine aircraft. Hangars Hangars at Gnoss Field...

Numerous flight instructors train students at Gnoss Field, some based on the field and others seeking challenging conditions due to the crosswinds. Crosswinds Prepare your students for the effects of gusty crosswind conditions. Winds rarely stay steady with variable speeds and directions common. Gusts to 25 knots are not uncommon with crosswinds ranging from 45...

Typical weather Weather at Gnoss Field might be called California nice. Morning low clouds often burn off before noon. The marine layer comes in occasionally from the Pacific Ocean due west or wraps around from the Golden Gate through San Pablo Bay from the southeast. Storms in the winter usually come from the southwest. Otherwise,...

Learn more about Gnoss Field Airport users welcome nearby residents to become more familiar with the benefits and policies that ensure the continued operation of a valuable county transportation asset. Good relations with neighbors have become important priorities for airport users, the County, Caltrans Division of Aeronautics and the Federal Aviation Administration (FAA) To visit the airport, or...