Windfall is ranked as a top 10 gold deposit globally by head grade, with reserves averaging 8.1 g/t gold .

Full-scale construction of the processing plant is slated to take 18–24 months.

The project is currently in the , with Gold Fields aiming for aggressive development timelines:

Final environmental approvals and a formal Board Investment Decision (FID) are expected in the second half of 2025 or early 2026.

Continued expansion drilling outside of the existing Mineral Resource Estimate (MRE) blocks has confirmed the presence of new high-grade mineralization that remains open for further growth.

Recent deep drilling has targeted the projected down-plunge extension of the Lynx 4 zone at vertical depths of nearly 1,700 meters, returning significant results such as 81.8 g/t gold over 3.5 meters .

As of April 2026, the has transitioned from an exploration-focused play to a high-priority development asset under the full ownership of Gold Fields , which completed a $2.1 billion acquisition of Osisko Mining in October 2024. While the project is moving toward construction, drilling continues to yield the "bonanza" grades that made the deposit famous. Latest Drilling & Exploration Highlights (Early 2026)