What gear should I have?

You should have a minimum of a 3.7 tire width

Yes, an insulated bottle or hydration system that is next to your body.

Front and rear lights are always a good idea.  These are groomed snowmobile trails, everyone should be able to see you clearly especially in snowy conditions.

Layers! Layers! Layers!  Stanley weather can range from below zero to flat out warm, be prepared to shed some layers on the trail.  Helmets are highly recommended, bring extra gloves, socks, neck gators and hats.

This is a highly marked snowmobile trail, but an extra gps, a watch or trip computer could benefit you.