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Situated along the East Gallatin River, 3121 Spain Bridge Road is a rare riverfront holding combining genuine seclusion with everyday convenience. Over one-half mile of river forms the property's western boundary — one of southwest Montana's best-kept secrets for fly fishing. Fed by spring creeks and mountain runoff, the East Gallatin runs cold and clear year-round, supporting wild brown and rainbow trout. Because much of the river flows through private land, angler pressure stays low and quality remains high. A stocked trout pond adds to the fishery, while the property has been actively managed for pheasant and upland bird habitat, with cover and food sources supporting consistent wild populations. Whitetail deer, ducks, and the occasional moose round out the wildlife. Downtown Bozeman is 11 miles away, the airport 4.7 — close enough for convenience, far enough to feel like somewhere else.
The main home was completed in 2023 by Yellowstone Traditions and spans over 5,850 square feet, grandfathered directly against the riverbank in a position that cannot be replicated. Stone, mortar, wood, steel, and glass exteriors deliver a modern mountain character, while vaulted ceilings capture views east to the Bridgers and west to the river. The great room centers on a stone fireplace flanked by a chef's kitchen with Viking and SubZero appliances. The master wing has direct river views, dual walk-in closets, double vanities, and indoor and outdoor showers. Above the four-car garage, a vaulted office and game room overlooks the pond and Spanish Peaks. A mudroom, dog wash, laundry, and storage for gear, guns, and wine complete the home.
The cabin is a 1,200 square foot Yellowstone Traditions build — one bedroom, sleeping loft, bath, kitchen, and fireplace, with a porch overlooking the lawn, pond, and river.
The manager's home is a two-story, one-bedroom, two-bathroom structure with a two-car garage, dog wash, and kennels, framing commanding views of the Bridgers and river. Adjacent sits a greenhouse, garden, and a historic log shop brought down from Trail Creek, restacked and repurposed for farm equipment. Each structure thoughtfully placed and finished — rarely does a property like this come to market on the East Gallatin.

• Bedrooms
  3
• Bathrooms
  4
• Sq Footage
  5952
• Acres
  86.38
• Days on Market
  2

Additional Features

• Above Grade Finished Area
  5952
• Appliances
  Dryer, Dishwasher, Disposal, Microwave, Range, Refrigerator, Wine Cooler, Washer, Some Gas Appliances, Stove
• Architectural Style
  Custom
• Attached Garage
  Yes
• Basement
  None
• Bathrooms Full
  3
• Bathrooms Half
  2
• Bathrooms Total Integer
  4
• Bedrooms Total
  3
• Builder Name
  Yellowstone Traditions
• Building Area Source
  Public Records
• Building Area Total
  5952
• City
  Belgrade
• Co List Agent Direct Phone
  (406) 580-2892
• Co List Agent Email
  tim@westernranchbrokers.com
• Co List Agent Full Name
  Timothy Peterson
• Co List Office Name
  Western Ranch Brokers L L C
• Construction Materials
  Metal Siding, Wood Siding
• Contract Status Change Date
  2026-05-27
• Cooling
  Central Air
• Cooling
  Yes
• Cumulative Days On Market
  2
• Directions
  From Bozeman take 19th St North across I-90 to Springhill Rd. Turn right. Go 4 miles N on Springhill. Turn L on Airport Rd. Go 1.5 miles to Spain Bridge Rd. Turn R. Go 0.7 miles. 127 River Keep on L
• Fencing
  Partial
• Fireplace Features
  Gas
• Fireplace
  Yes
• Flooring
  Hardwood
• Garage Spaces
  4
• Garage
  Yes
• Heating
  Forced Air
• Heating
  Yes
• Interior Features
  Fireplace, Vaulted Ceilings, Walk In Closets
• Latitude
  45.787471
• Levels
  Two
• Listing Contract Date
  2026-05-27
• Listing Key
  1170690794
• List Price
  18950000
• Living Area
  5952
• Living Area Source
  Public Records
• Longitude
  -111.117731
• Lot Features
  Lawn, Landscaped
• Lot Size Acres
  86.38000
• Lot Size Square Feet
  3762713
• MLS Area Major
  Belgrade
• MLS Area Minor
  3 N - Belgrade Area N of I90
• MLS Status
  Active
• Occupant Type
  Owner
• Original List Price
  18950000
• Originating System Name
  S W M T
• Other Structures
  Guest House, Greenhouse, Sheds
• Ownership
  Full
• Parcel Number
  R F G21757
• Parking Features
  Attached, Garage, Garage Door Opener
• Patio And Porch Features
  Covered, Patio
• Photos Count
  33
• Postal Code
  59714
• Property Sub Type
  Single Family Residence
• Property Type
  Residential
• Road Surface Type
  Gravel
• Roof
  Asphalt
• Sewer
  Septic Tank
• Standard Status
  Active
• Stories
  2
• Subdivision Name
  None
• Tax Annual Amount
  35408.95
• Tax Legal Description
  MINOR SUB 460, S33, T01 N, R05 E, Lot 1, ACRES 20.69 MINOR SUB 460, S33, T01 N, R05 E, Lot 2, ACRES 24.39 MINOR SUB 460, S33, T01 N, R05 E, LOT 3, ACRES 21.07 Minor Sub 460, S33, T01 N, R05 E, Lot 4, Acres 20.23
• Tax Year
  2025
• Unparsed Address
  3121 Spain Bridge Road
• Utilities
  Electricity Available, Electricity Connected, Fiber Optic Available, Propane, Phone Available, Septic Available, Water Available
• View
  Farmland, Lake, Mountains, Pond, Rural, River, Creek Stream, Trees Woods
• View
  Yes
• Waterfront Features
  Creek, Pond, River Front, Seasonal
• Water Source
  Well
• Year Built
  2023

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