| Mon | Nov | 09 | 2009 |
Sierra Classic Theatre's Annual "Murder Mystery" Dinner |
| Thu | Nov | 12 | 2009 |
Mammoth Mountain Ski Area Opening Day |
| Thu | Nov | 12 | 2009 |
Big Winter Kick off - Après Party & MSP Film Premier |
| Fri | Nov | 13 | 2009 |
Big Winter Kickoff - "Get Real" Film Premier |
| Sat | Nov | 14 | 2009 |
Big Winter Kick off - HOT LAPS Film Premier & after party |
| Sat | Nov | 14 | 2009 |
Mammoth Concert Series - Shiny Toy Guns |
| Sat | Nov | 21 | 2009 |
Tamarack Cross Country Ski Center Opening Day |
| Wed | Nov | 25 | 2009 |
Canyon Lodge, Eagle Lodge and Village Gondola Opening Day |
| Fri | Nov | 27 | 2009 |
Traditional Tree Lighting Ceremony and Santa's Arrival |
| Fri | Dec | 11 | 2009 |
Mammoth Ullr Festival |
| Sat | Dec | 12 | 2009 |
June Mountain Opening Day |
| Sat | Dec | 12 | 2009 |
DSES Island Extravaganza |
| Thu | Dec | 17 | 2009 |
Snowmobile Adventures Opening Day |
| Sat | Dec | 19 | 2009 |
Night of Lights |
| Sat | Jan | 30 | 2010 |
Gatorade Winter Free Flow Tour |
| Sun | Jan | 31 | 2010 |
Alan Bard 20km Race Classic at Tamarack |
| Mon | Feb | 01 | 2010 |
Disabled Sports Wounded Warrior Project |
| Sun | Feb | 14 | 2010 |
Valentines Day Parallax Snowcat Dinner |
| Sat | Feb | 27 | 2010 |
3rd Annual Vintage Ski Race |
| Sun | Mar | 07 | 2010 |
CA Fire and Police Olympics |
| Thu | Mar | 25 | 2010 |
Roxy Chicken Jam |
| Sun | Mar | 28 | 2010 |
3rd Annual Mammoth Winter Biathlon |
| Fri | Apr | 02 | 2010 |
Mammoth Invitational |
| Sun | Apr | 04 | 2010 |
Mammoth Marathon at Tamarack |
| Sat | Apr | 10 | 2010 |
Disabled Sports Slide-a-Thon |
| Sun | Apr | 11 | 2010 |
Tour de Taste at Tamarack |
| Fri | Apr | 16 | 2010 |
Tamarack Cross Country Ski Center Closing Day |
| Tue | Apr | 20 | 2010 |
Disabled Sports Springtacular |
| Fri | Apr | 30 | 2010 |
West Coast Invitational |
| Fri | May | 28 | 2010 |
Sierra Star Golf Course Opening Day |
| Thu | Jun | 17 | 2010 |
Mammoth Motocross |
| Wed | July | 14 | 2010 |
22nd Annual Mammoth Lakes Jazz Jubilee |
| Fri | Aug | 06 | 2010 |
15th Annual Mammoth Festival of Beer and Bluesapalooza |
| Fri | Aug | 13 | 2010 |
Mammoth's Blue Sky Music Festival |
| Sat | Aug | 14 | 2010 |
| Fri | Aug | 20 | 2010 |
Mammoth Festival |
