157 trips match your search
NameTrip #DatesSpaces
Family Rafting in Dinosaur National Monument, Utah15205BAug 3–6, 2015More than 5
High Alpine Lakes and Llamas in the Weminuche Wilderness, Colorado15300AAug 3–7, 2015Be First on Waiting List!
Wilderness Cruise on Alaska's Inside Passage15015AAug 4–13, 2015Be First on Waiting List!
Hiking High: Humphreys Basin and Upper French Canyon, California15157AAug 6–11, 2015Be First on Waiting List!
Hiking the Muir Trail from Devils Postpile to Tuolumne Meadows, Yosemite National Park, California15301AAug 7–18, 20151
Lakes and Peaks Along the John Muir Trail: Yosemite and Ansel Adams Wilderness, California15158AAug 8–15, 2015Waiting List
Adventure High in Wyoming's Wind River Mountains15125AAug 8–15, 2015Be First on Waiting List!
Pioneer Basin and Mono Recesses, John Muir Wilderness, California15159AAug 8–15, 2015Be First on Waiting List!
Canadian Rockies Van Venture: Banff, Lake Louise, and Jasper, Alberta15232AAug 8–15, 20151
Due to lodging considerations, available space is reserved for One Female
Kayaking the Na Pali Coast, Kauai, Hawaii15030AAug 8–14, 2015Be First on Waiting List!
Star Tails and Hiking Trails: Service at Mt. Lassen National Volcanic Park, Caifornia15269AAug 9–15, 2015Be First on Waiting List!
John Muir Wilderness Trail Restoration, California15265AAug 9–15, 20155
Wandering the Goat Rocks Wilderness, Washington15112AAug 9–14, 2015Waiting List
Exploring Norway's Fjords and Glaciers15750AAug 10–20, 2015Be First on Waiting List!
Hiking High: Mammoth Crest to the Silver Divide, John Muir Wilderness, California15160AAug 14–18, 20155
Lake Superior Service, Isle Royale National Park, Michigan15270AAug 14–22, 2015Waiting List
Orcas, Totems, and Grizzlies: Sailing Northern Vancouver Island, British Columbia15017AAug 14–20, 20151
Ionian Blue Epic, Kings Canyon National Park, California15162AAug 15–22, 2015Waiting List
Grizzlies, Glaciers, and Climate Change: Dayhiking in Glacier National Park, Montana15234AAug 15–22, 20151
Unplug, Unwind, and Dig In: Trail Work in the Idaho Panhandle15271AAug 15–22, 20151
Best of the Midwest: Day Hiking on the Superior Hiking Trail, Minnesota15233AAug 16–22, 2015Be First on Waiting List!
Service in the Spectacular Yosemite Valley, California15273AAug 16–22, 2015Waiting List
Olympic National Park Traverse, Washington15116AAug 16–22, 20151
Ring the Canyon, Bryce Canyon National Park, Utah15440AAug 16–22, 2015More than 5
High Lakes of Yosemite National Park, California15161AAug 16–24, 2015Waiting List
Gros Ventre Wilderness Service, Wyoming15272AAug 16–22, 20151
Canyons, Lakes, and Meadows of Northern Yosemite, California15302AAug 18–30, 20154
Tableland Tramp: Hiking Among the High Lakes of Sequoia National Park, California15163AAug 20–24, 2015Waiting List
Lake Basin High Country, Kings Canyon National Park, California15164AAug 21–29, 20151
Gems of the Silver Divide, John Muir Wilderness, California15165AAug 22–30, 20151
Eagle Cap Wilderness Trail Repair, Oregon15274AAug 22–29, 20154
High Sierra Hikes and Photography in the Ansel Adams Wilderness, California15178AAug 22–28, 20152
Backpacking the Eagle Cap Wilderness: The Eagle Creek Loop, Oregon15113AAug 22–29, 2015Be First on Waiting List!
Lodge-Based Day Hikes in the Colorado High Country15236AAug 22–29, 2015Be First on Waiting List!
Blowin' in the Winds: Service in the Wind River Range, Wyoming15275AAug 23–29, 2015More than 5
Arctic Wilderness Fishing Base Camp in the Brooks Range, Alaska15018AAug 23–30, 2015Be First on Waiting List!
Western Brooks Range Ramble, Noatak National Preserve, Alaska15019AAug 24–Sep 4, 20152
Gardiner Basin High Country, John Muir Wilderness, California15166AAug 29–Sep 7, 2015Be First on Waiting List!
Stepping off the Trail: Moderate Cross-Country Backpacking in the Emigrant Wilderness, California15168AAug 30–Sep 6, 20152
Mt. Humphreys Magic and Inspiration, John Muir Wilderness, California15167AAug 30–Sep 5, 20153
Adventures in the Scottish Highlands, Scotland15760AAug 31–Sep 10, 20151
Wonderland Trail Loop, Mt. Rainier National Park, Washington15114ASep 1–11, 2015Waiting List
Hidden Trails of Cinque Terre and the Italian Riviera, Italy and France15630BSep 1–12, 2015Be First on Waiting List!
On Foot in Northern Spain: Camino de Santiago and Picos de Europa15765ASep 2–13, 20151
England's Coast-to-Coast Walk: Lakes, Dales, Moors, and More15770ASep 6–19, 20151
In the Shadow of Mount Olympus: Backpacking Olympic National Park, Washington15115ASep 6–13, 2015Waiting List
Prince William Sound Wilderness Cruise, Alaska15020ASep 6–13, 2015Be First on Waiting List!
Isolated Island Wilderness: Backpacking Isle Royale National Park, Michigan15105ASep 7–13, 2015Waiting List
Trail Work at Mt. Rainier National Park, Washington15277ASep 12–19, 2015Waiting List
Scuba Service in Monterey Bay's Kelp Forest, California15276ASep 12–19, 20154
Fantastic Four Pass Loop, Maroon Bells-Snowmass Wilderness, Colorado15120ASep 13–19, 2015Be First on Waiting List!
High Peaks and Huts of the White Mountains, New Hampshire15304ASep 13–18, 2015Be First on Waiting List!
Jewels of Croatia: Forests, Rivers, and Islands15785ASep 13–26, 2015Waiting List
Autumn in the Stehekin Valley, North Cascades National Park, Washington15239ASep 13–19, 2015Waiting List
Beginners Coastal Ramble Through Point Reyes National Seashore, California15169ASep 13–18, 2015Waiting List
Waterfalls, Alpine Lakes, and Wildflowers: Day Hikes in Colorado's San Juan Mountains15237ASep 13–19, 2015Waiting List
Amazing Acadia and the Rockbound Coast of Maine15238ASep 13–19, 20152
Paddler's Paradise: Boundary Waters Canoe Area, Minnesota15193ASep 13–19, 2015Waiting List
Easy Hiking Chamonix, France15775ASep 14–23, 20153
Trekking the Turquoise Coast of Turkey15790ASep 18–Oct 3, 2015Waiting List
Fall Trail Work in the Red River Gorge, Kentucky15279ASep 19–26, 2015More than 5
Grasslands Research in the Valles Caldera, New Mexico15280ASep 20–25, 2015Waiting List
50-Plus Pyramid Lake Service and Fun, Nevada15296ASep 20–26, 20152
Service Among Ancestral Puebloan Ruins, Utah15281ASep 20–26, 2015Waiting List
Kayaking Cape Fear: Blackwater, Beach, and More, North Carolina15194ASep 20–26, 20151
Forbidden Heart of the Rainbow, Navajo Indian Reservation, Arizona and Utah15130ASep 20–26, 20152
Kayak, Hike, and Raft: A Women's Adventure in Southern Oregon15250ASep 20–25, 2015Waiting List
Hiking the Greek Islands15795ASep 22–Oct 5, 20152
Magical Morocco: From Casbahs to Camels15685ASep 26–Oct 11, 2015Waiting List
Tracks Across the Sierra, Tahoe National Forest, California15241ASep 27–Oct 4, 2015More than 5
Wild Trout Recovery in Northern New Mexico15282ASep 27–Oct 2, 2015Waiting List
Fall Service at Bear Run Nature Reserve and Fallingwater, Pennsylvania15287ASep 27–Oct 3, 2015Waiting List
Georgia Gems: St. Mary's, Cumberland Island, and Okefenokee Swamp15197ASep 27–Oct 3, 2015More than 5
Naples to Brindisi: Secrets of Southern Italy15800ASep 27–Oct 8, 2015Waiting List
Autumn Hikes in the Colorful Catskill Mountains, New York15240ASep 27–Oct 3, 2015More than 5
Gitche Gumee Gambol: Backpacking Pictured Rocks National Lakeshore, Michigan15106ASep 28–Oct 2, 20152
Sierra Club Outdoors National Conference at Clair Tappaan Lodge15995AOct 2–4, 2015More than 5
Acadia National Park Service, Maine15283AOct 4–10, 2015Be First on Waiting List!
Martha's Vineyard Service, Massachusetts15297AOct 4–10, 2015Be First on Waiting List!
Hidden History and Service at Valley Forge National Historic Park, Pennsylvania15284AOct 4–10, 2015More than 5
Sea and Service at Myrtle Beach State Park, South Carolina15286AOct 4–10, 2015Be First on Waiting List!
Fall Foliage Hiking in Vermont's Green Mountain National Forest15242AOct 4–9, 2015More than 5
Piedras Blancas Light Station Service, Big Sur, California15285AOct 4–10, 2015Waiting List
Secrets of Kanab Canyon, Grand Canyon National Park, Arizona15131AOct 4–11, 2015Waiting List
Treasures of Sicily, Italy15805AOct 10–21, 2015Waiting List
Autumn Alpine Trek in Bhutan15695AOct 10–27, 20152
Borneo Explorer, Malaysia15700AOct 11–24, 2015Waiting List
Current River Canoeing, Ozark National Scenic Riverways, Missouri15195AOct 11–15, 20152
50-Plus Service at Clair Tappaan Lodge, Tahoe National Forest, California15288AOct 11–16, 20152
New York City Parks Service at the Historic Bartow-Pell Conservancy15290AOct 11–18, 2015More than 5
Hike, Bike, and Kayak in Vietnam15705AOct 17–31, 2015Be First on Waiting List!
Autumn Glory in Great Smoky Mountains National Park, Tennessee15244AOct 18–23, 2015More than 5
Habitat and History at Fort Ord, Monterey, California15291AOct 18–25, 20155
Caribbean Island Kayaking, Florida Keys and Dry Tortugas, Florida15196AOct 18–24, 2015Waiting List
Hot Springs, Falling Water, and Service in Saline Valley, California15289AOct 18–24, 2015Be First on Waiting List!
Ancestral Pueblos of Chaco Canyon and Northern New Mexico15247AOct 19–25, 2015Be First on Waiting List!
Mt. Everest Lodge Trek, Nepal15710AOct 22–Nov 13, 2015More than 5
Sea and Service at Point Reyes National Seashore, California15292AOct 24–31, 2015Be First on Waiting List!
Top of Texas, Guadalupe Mountains National Park15298AOct 24–31, 20153
Focus on Birds in Ecuador, Hummingbird Heaven15830AOct 25–Nov 11, 20152
Jewels of the Grand Canyon, Arizona15133AOct 25–31, 2015Waiting List
Trekking the Patagonia Circuit, Argentina and Chile15835AOct 26–Nov 6, 2015Be First on Waiting List!
Women Backpacking in the Grand Canyon, Arizona15134AOct 31–Nov 7, 2015More than 5
Marvelous Muleshoe Ranch Service, Gailuro Mountains, Arizona15293ANov 1–7, 2015Be First on Waiting List!
Machu Picchu Eco-Lodge Trek, Peru15840ANov 2–12, 2015Waiting List
Machu Picchu Eco-Lodge Trek, Peru15840BNov 4–14, 2015Be First on Waiting List!
Wheels Over Cuba: Conservation at a Crossroads15720ANov 5–15, 2015Waiting List
Puerto Rico: From the Coast to the Mountains15031ANov 8–15, 2015Be First on Waiting List!
Florida's Cool Springs and Wild Rivers15198ANov 15–21, 2015Waiting List
Wheels Over Cuba: Conservation at a Crossroads15720BNov 19–29, 2015Waiting List
Enchanting Galápagos: A Holiday Adventure in Ecuador16505ADec 20, 2015–Jan 1, 2016Waiting List
Natural Highlights of Costa Rica16510ADec 21, 2015–Jan 2, 20164
Exploring Exotic Ecuador: Amazon, Andes, and the Coast16515ADec 22, 2015–Jan 3, 2016More than 5
Best of Belize: Rainforest, Ruins, and Reefs.16520ADec 26, 2015–Jan 2, 2016More than 5
Active Adventure on the Seventh Continent, Antarctica16555ADec 28, 2015–Jan 7, 2016Waiting List
Sun, Service and Whales, Maui, Hawaii16405AJan 3–10, 2016More than 5
Everglades Eco Adventure, Florida16415AJan 10–15, 2016More than 5
Treasures of Thailand: Bangkok, Chiang Mai, and the Andaman Sea16500AJan 11–24, 2016More than 5
Hiking in Paradise, Maui and Kauai16400AJan 28–Feb 7, 2016Waiting List
Hiking the Natural Beauty of Southern Costa Rica and Northern Panama16530AJan 30–Feb 11, 2016More than 5
Kilimanjaro and Safari, Tanzania16535AFeb 6–21, 2016Be First on Waiting List!
Treasures, Tigers, and the Taj Mahal, India16570AFeb 7–20, 2016More than 5
Devilish Tasmania16540AFeb 7–18, 20162
Leap Into Spring, Yunnan, China16545AFeb 17–Mar 2, 2016More than 5
Mountains, Forests, and Beaches of New Zealand's South Island16525AFeb 20–Mar 1, 2016More than 5
Trekking the Patagonia Circuit, Argentina and Chile16550AFeb 22–Mar 4, 2016More than 5
Natural Highlights of Costa Rica16565AMar 6–18, 2016More than 5
Birding Belize: Rainforest, Ruins, and Reefs16575AMar 7–16, 2016More than 5
Vietnam Adventure16580AMar 9–24, 2016Waiting List
Natural and Historical Highlights of Israel16560AMar 29–Apr 11, 2016More than 5
Exploring North Holland by Bike and Barge16585AApr 6–16, 2016More than 5
Borneo Explorer, Malaysia16590AApr 10–23, 2016Waiting List
Machu Picchu Eco-Lodge Trek, Peru16595AApr 19–29, 20163
National Outings Training Trip - Desert Backpacking16999AApr 20–24, 2016Waiting List
Springtime in Western Turkey16605AApr 23–May 6, 2016More than 5
Exploring the Hidden Kingdom, Bhutan16600AApr 23–May 6, 2016More than 5
A Bavarian Spring: From Rothenburg to the Danube, Germany16610AApr 27–May 9, 2016More than 5
Hiking the Mountains to the Sea in Northern Greece16615AMay 2–13, 2016More than 5
England's Coast-to-Coast Walk: From the Irish Sea to the North Sea16620AMay 9–22, 20161
Jewels of Croatia: Forests, Rivers, and Islands16625AMay 15–28, 2016More than 5
The Enchanted Galápagos Islands, Ecuador16630AMay 16–29, 2016Waiting List
Mountain Vistas and Moorish Legacy in Andalucía, Southern Spain16635AMay 16–27, 2016More than 5
Hiking Japan's Ancient Buddhist Trails, Rainforests, and Volcanoes, Kyushu16640AMay 16–28, 2016More than 5
Walking the Franciscan Trail, Umbria, Italy16645AMay 17–28, 20162
Upper Dolpo Trek, Nepal16650AMay 18–Jun 24, 20164
Mountains, Lochs, and Glens: The West Highland Way, Scotland16655AMay 23–Jun 2, 2016Waiting List
Vienna to Prague: Walking the Czech Greenways, Austria and Czech Republic16705AMay 26–Jun 8, 2016More than 5
Hidden Trails of Cinque Terre and Italian Riviera, France and Italy16660AMay 31–Jun 11, 2016More than 5
Botswana and Zimbabwe: A Living Eden16665AJun 2–14, 2016More than 5
Walking Through History in the Cotswolds, England16670AJun 3–12, 2016More than 5
In the Shadow of the Alps: Light Hiking and Culture in Italy and France16675AJun 13–24, 2016More than 5
Stone Age to New Age: Sacred Sites and Mysticism in Ireland16680AJun 17–29, 2016Waiting List
Easy Hiking the Dolomites, Italy16685AJun 20–Jul 3, 2016More than 5
Hiking the Alps of Bavaria and Tyrol, Germany and Austria16690AJun 21–Jul 2, 2016More than 5
Eiger and Jungfrau Up Close, Switzerland16695AJun 26–Jul 4, 2016More than 5
Hiking the Italian Western Alps16700AJun 29–Jul 9, 2016More than 5
National Outings Training Trip - Lodge-Based Day Hiking16998AAug 16–20, 2016More than 5

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