
Premier Fly Fishing in Patagonia
Little Mammoth Outfitters (LMO), in Northern Patagonia, Argentina, offers premier, guided fly fishing. We specialize in custom fly fishing trips for all skill levels, targeting trophy trout in pristine rivers and breathtaking landscapes. Experience world-class Patagonia fly fishing with expert guides, personalized service, and unforgettable outdoor adventures.
Day Trips
Explore the stunning Patagonian rivers and lakes with our day trip packages. Whether you're a seasoned angler or new to fly fishing, our expert guides will take you to the best spots for an exciting day of fishing amidst breathtaking natural beauty.
Guest House or Lodging
Discover the luxury and comfort of our Guest House or the Lodges in the area. Equipped with state-of-the-art amenities and a seasoned crew, this services offers an unmatched fishing experience in the heart of Patagonia.

Our Fishing Destinations
Embark on an unforgettable journey to our carefully selected fishing destinations, each offering unique angling opportunities and stunning landscapes. From hidden streams to expansive rivers, our destinations promise an exceptional fly fishing adventure.
Northern Patagonia
Central Patagonia
Southern Patagonia
Expert Crew

Owner & Guide Boris
Boris´s passion for fly fishing and in-depth knowledge of the region's waterways make him an indispensable part of our crew, dedicated to delivering exceptional fishing adventures.