B
- Bridge Trail
- Bridle Path
- Bridle Trails State Park: Coyote Loop Trail
- Bridle Trails State Park: Coyote Loop Trail
- Brienz to Hardergrat
- Briga Express -> Briga Right Loop
- Bright Angel Point
- Bright Angel Point Loop
- Bright Angel Trail
- Brighton to Eastbourne Coastal Hike
- Brighton Uphill Access
- Briksdal Glacier
- Brilon TrailGround
- Brione Enduro Experience
- Bristlecone and Glacier Trail
- Broad Gully
- Broadway
- Broken Arrow Trail to Chicken Point
- Broken Boyfriend Loop
- Broken Hand Peak
- Broken Hill Beach Loop
- Broken Top Loop
- Broken Top Loop Trail
- Broken Top: Northwest Ridge via Green Lakes Trail
- Broken Top: Northwest Ridge via Green Lakes Trail
- Brokeoff Mountain Trail
- Brooks Falls
- Broom Closet
- Broom Closet
- Broom Stick
- Brougham's Banger
- Brown Mountain
- Brown Mountain
- Brown Mountain
- Brown Mountain Loop
- Brown Pow Loop
- Brown's Canyon
- Brown's Canyon
- Browns Canyon National Monument Loop Hike
- Brown's Creek Falls
- Browns Gap Waterfall Loop
- Brown's Ranch Loop
- Bruce Freeman Rail Trail
- Bruce Freeman Rail Trail
- Bruce Freeman Rail Trail
- Bruce's Shoulder
- Bruin Bluff Loop
- Brunkollen o / Abborvann
- Brush Canyon Trail to Mounts Hollywood and Bell
- Bruson - Orsieres
- Brutus
- Bryant Chute
- Bryce Rim Trail
- Bsuchalm hut
- Buachaille Etive Mor
- Buachaille Etive Mòr via Curved Ridge including 3 other Munro's
- Bubbles Nubble Loop
- Buchberg
- Buchegg Trail
- Buckeye / Bridle Loop
- Buckeye / Towpath Loop
- Buckeye Trail: Oak Grove Picnic Area to Pine Lane
- Buck Gulch -> Strawberry Jack Loop
- Buck Hill Trail
- Bucklin Trail
- Buckskin Gulch
- Buckskin Gulch
- Buckskin Pass, Willow Pass, and Willow Lake Trek
- Buckskin Pass -> Willow Pass -> Willow Lake
- Buck's Traverse
- Bucktail Easy Loop
- Buffalo Creek IMBA Epic Loop
- Buffalo Trail
- Bugaboos
- Bulgarian Way / Götzens Trail Part II
- Bull and Jake Mountain Trail System
- Bullet
- Bullet DH
- Bullion Basin Trail
- Bullion Bowl