Bitterroot Lake is officially in play, and Margo’s March Madness Fishing Derby is shaping up to be a good one this weekend February 28–March 1, according to Patti Fleming.
Key Takeaways
- As of February 25, 2026, there’s no snow on the ice and visibility is mostly clear across the lake.
- Ice thickness is about 5 to 5.5 inches in most areas.
- The north-end county boat ramp is reporting about 8 inches.
- Even with fishable ice, late-season conditions mean watch for pressure ridges and cracks.
- Derby reminder: mandatory check-in at the Hilltop Hitching Post before your first day of fishing—no check-in, no derby bragging rights.
Bitterroot Lake Ice Conditions Report (Updated Feb. 25, 2026)
Here’s the ice report everyone’s been waiting for:
- Snow cover: None—clean ice.
- Visibility: Open visibility across most of the lake.
- Ice thickness: About 5 to 5.5 inches in most areas.
- Thicker area: About 8 inches at the county boat ramp on the north end.
So yes—it is fishable. But this isn’t the time to get careless. Anglers will still want to keep their heads on a swivel for pressure ridges and cracks. As always with late-season ice, conditions can change quickly, and smart anglers treat every step like it matters—because it does.
Derby Notes: Drilled-Hole Areas + Mandatory Check-In
The derby map (below) has circled areas showing where holes have already been drilled, giving folks a helpful starting point.
If you’re fishing the derby February 28 and March 1, don’t forget the most important first move: mandatory check-in before your first day of fishing at the Hilltop Hitching Post. No check-in, no derby bragging rights.
So grab your gear, double-check your safety equipment, and get ready for a weekend of tight lines and good company. Bitterroot is ready—just make sure you’re ready too. Always use caution, and stay safe out there on the ice.
Images and photos posted via Patti Fleming.
Related Reading
- Ice Fishing Safety Basics: Thickness, Gear, and Red Flags
- How to Check Ice Thickness (And Why It Changes Fast)
- Pressure Ridges and Cracks: What to Look For on Late-Season Ice
- Fishing Derbies: Rules, Check-In Tips, and Planning Guides
- More Bitterroot Outdoors Updates
- More Ice Fishing Reports and How-Tos
FAQ: Bitterroot Lake Ice + Margo’s March Madness Derby
- Is Bitterroot Lake fishable right now?
- According to the February 25, 2026 update shared by Patti Fleming, Bitterroot Lake is considered fishable, with about 5 to 5.5 inches of ice in most areas and about 8 inches at the north-end county boat ramp.
- What’s the current ice thickness on Bitterroot Lake?
- Ice thickness is running about 5 to 5.5 inches in most areas, with a thicker 8 inches reported at the county boat ramp on the north end (as of Feb. 25, 2026).
- Is there snow on the ice?
- No—this report notes there is no snow on the ice, with clean, open visibility across most of the lake.
- What hazards should anglers watch for?
- The update specifically warns anglers to watch for pressure ridges and cracks, especially with late-season ice where conditions can change.
- When is Margo’s March Madness Fishing Derby?
- The derby is scheduled for February 28 through March 1.
- Where do I check in for the derby?
- Check-in is mandatory at the Hilltop Hitching Post before your first day of fishing.
- Is check-in required to participate?
- Yes. The post emphasizes that check-in is mandatory—no check-in, no derby bragging rights.
- What’s the purpose of the circled areas on the derby map?
- The circled areas show where holes have already been drilled, giving anglers a helpful starting point.