Idaho

Bitteroot Bowl

Sun Valley - Dollar Mountain

• 1 km mapped
• Grade advanced

Bitterroot Basin

Bogus Basin Mountain Recreation Area

• 0.5 km mapped
• Grade intermediate

Bitterroot Basin

Idaho

• 0.5 km mapped
• Grade intermediate

Black BEar

Idaho

• 0.4 km mapped
• Grade intermediate

Black BEar

Lookout Pass

• 0.4 km mapped
• Grade intermediate

Black Lagoon

Blizzard Mountain

• 0.5 km mapped
• Grade advanced

Black Lagoon

Idaho

• 0.5 km mapped
• Grade advanced

Black Powder

Idaho

• 0.5 km mapped
• Grade advanced

Black Powder

Kelly Canyon Ski Resort

• 0.5 km mapped
• Grade advanced

Blackberry Loop

Idaho

• 19 m mapped
• Grade novice

Blackberry Loop

Idaho

• 19 m mapped
• Grade novice

Blackbird

Bogus Basin Mountain Recreation Area

• 0.4 km mapped
• Grade advanced

Blackbird

Idaho

• 0.4 km mapped
• Grade advanced

Blaze

Tamarack Resort

• 0.5 km mapped
• Grade advanced

Blaze

Idaho

• 0.5 km mapped
• Grade advanced

Blizzard Mountain

Idaho

Blizzard Mountain

Idaho

Blue Grass

Schweitzer Mountain Resort

• 0.5 km mapped
• Grade advanced

Blue Grass

Idaho

• 0.5 km mapped
• Grade advanced

Blue Grouse

Sun Valley - Bald Mountain

• 0.4 km mapped
• Grade intermediate

Blue Grouse

Idaho

• 0.4 km mapped
• Grade intermediate

Blue Ridge Loop

Bear Basin Nordic Center

• 0.2 km mapped
• Grade intermediate

Blue Ridge Loop

Idaho

• 0.2 km mapped
• Grade intermediate

Bob's Knob Uphill Route

Bogus Basin Mountain Recreation Area

• 1.2 km mapped