Hwy 7 Sexual Assault – Details Released

(GUELPH-ERAMOSA TOWNSHIP, ON) – One individual is facing Criminal Code charges following a sexual assault investigation.

The Wellington County OPP Crime Unit assisted with the investigation.

On September 9, 2025, at approximately 1:00 p.m., the Wellington County Ontario Provincial Police (OPP) launched an investigation after receiving information of a sexual assault which occurred on Highway 7 in Guelph-Eramosa Township.

Jeffrey MAST, a 60-year-old from Guelph-Eramosa Township, was charged on September 16, 2025, under the Criminal Code with:

• Sexual Assault
• Criminal Harassment

The accused was released from police custody and is scheduled to appear in the Ontario Court of Justice-Guelph on October 24, 2025.

Victims of sexual assault are not alone. If you or someone you know needs support, there are local resources available to help.

If you have any information regarding this investigation or any other incident, please call the Wellington County OPP at 1-888-310-1122. 

Should you wish to be anonymous, you can contact Crime Stoppers Guelph Wellington at www.csgw.tips or toll free at 1-800-222-TIPS or 8477. If your information leads to an arrest, you may be eligible for a cash reward of up to $2,000.

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