The 22-year-old was handed his first professional deal by the Falcons last summer, with Fearn having progressed through the club's development side after previously playing for Blaydon.
Fearn went on to make four appearances for the club and he is now hoping to build on that platform next season.
The England Students front-rower said: "I am really pleased to have signed a new contract at the club and hopefully I can get a good run of games next season as I continue my rugby education in the north east.
"There is a very professional set-up here with a lot of exciting things going to happen in the future. I am enjoying the lifestyle, facilities and the training that goes with being a professional rugby player.
"Ultimately I am pleased to have extended my contract at the club and I have to continue to improve my game."
Head coach Alan Tait added: "Darren Fearn is a talented prop who has a good ball carry and will add further steel to our already strong pack. It is important to keep players like Darren at the club as we look to move forward."
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
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Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.