The fourth of four NERO research sites in Cascade, on a hill next to a crashed NERO helicopter. You need a Nitrous bike jump over a cliff to reach it.
You get there with a bike jump off a ramp. Fit Nitrous and the best engine you can afford, then hit the ramp at full speed with boost. Save first, because a short jump means a long fall.
A NERO Injector and an intel recorder. Pick the boost you are shortest on: Health if you die to Hordes, Stamina for riding out fights, Focus for slow-mo aiming. NERO checkpoints hold injectors too, so check both on your map.
Image: Bend Studio / PlayStationBelknap Tunnel
Belknap Tunnel is the road tunnel linking the Cascade and Belknap regions. Swarmers lurk inside, so ride through with a plan, and you pass through it during the story mission Bad Way To Go Out.
Buck Meadow Bridge
Buck Meadow Bridge is a Cascade crossing on the trail toward Proxy Falls. It is where the hunt for Leon heads in We'll Make It Quick, and the Proxy Falls Horde roams the same trail.
Cascade Highway Horde
The Cascade Highway Horde is a 50-Swarmer Horde Killer target along the Santiam Highway near the logging camp. It opens after We've All Done Things and clears one of Deacon and Boozer's old danger spots.
Cascade NERO Research Site 1
The first of four NERO research sites in Cascade, at the far end of a dark Freaker cave. Go at night when the cave clears out, and walk away with a NERO Injector.