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(Click for frequent words.) 67 Mount Lassen 67 cinder cone 67 Sangre de Cristos 63 Bumpass Hell 63 Sunset Crater 62 Mauna Ulu 62 Mount Mazama 62 Mount Tallac 62 timberline 62 granite spiers 61 Tenmile Range 61 Culebra Peak 61 cinder cones 61 Bitterroots 61 Norris Geyser Basin 61 Sonora Pass 61 Castle Crags 61 Cinder Cone 61 stratovolcano 61 granite cliffs 61 Graveyard Fields 61 Mount Shuksan 61 basalt cliffs 60 Beartooth Pass 60 Crestone Needle 60 Absaroka Mountains 60 alpine tundra 60 Bolinas Ridge 60 Highline Trail 60 Tuolumne Meadows 60 glacier carved 60 Climber dies 60 lenticular clouds 60 Hiker dies 60 hogback 59 Santa Ana Mountains 59 Yellowstone Caldera 59 above timberline 59 Mount Timpanogos 59 Chisos Mountains 59 Kilauea Volcano 59 Puu Oo 59 Kebler Pass 59 Wupatki 59 Absaroka Range 59 Hellroaring 59 Glen Aulin 59 Lassen Volcanic National 59 Sierra Buttes 59 granite domes 59 Overlook Trail 59 San Gabriels 59 Teton Range 59 Goat Rocks 59 Crestone Peak 59 rimrock 59 Wallowas 59 glacially carved 58 Shasta Bally 58 Santa Catalinas 58 San Gorgonio Wilderness 58 forested foothills 58 crater lava dome 58 canyon 58 Montara Mountain 58 aspen grove 58 Catalina Mountains 58 Newberry Volcano 58 Donner Pass 58 Backbone Trail 58 Moaning Cavern 58 Sierra Nevadas 58 Kaibab Plateau 58 Morro Rock 58 coastal redwoods 58 Devil Churn 57 Tioga Pass 57 Emigrant Gap 57 Maui Haleakala 57 Weminuche Wilderness 57 Sandias 57 lava flowed 57 Nisqually Glacier 57 Lake Cahuilla 57 Hyalite Canyon 57 Yosemite Valley 57 Vatnajokull 57 Cochise Stronghold 57 aspen groves 57 Bookcliffs 57 Harney Peak 57 sandstone bluffs 57 Olympus Mons 57 Mount Tamalpais 57 Superstition Wilderness 57 Utah Wasatch Mountains 57 Flattop Mountain 57 Hiker rescued 57 Rattlesnake Canyon 57 Englemann spruce 57 Thumb Butte 57 extinct volcano 57 Chugach Mountains 57 Linville Falls 57 Paonia Reservoir 57 Dipsea Trail 57 Horsetail Falls 57 Sandia Mountains 57 Rogue Umpqua 56 Yellowstone caldera 56 majestic redwoods 56 Chugach Range 56 Kilauea Iki 56 Yosemite El Capitan 56 Sawatch Range 56 Dolly Sods 56 towering peaks 56 Wasatch Plateau 56 foothills 56 Mount Ranier 56 Chimney Tops 56 volcanic peaks 56 Zion Narrows 56 icefield 56 Inyo Mountains 56 Castlewood Canyon 56 ancient petroglyphs 56 San Jacintos 56 Beartooths 56 balds 56 talus slopes 56 Halema'uma'u 56 Huayna Picchu 56 Linville Gorge 56 Athabasca Glacier 56 snowshoe trek 56 Devil Staircase 56 Lava flows 56 Sunol Regional 56 Flume Trail 56 glaciated peaks 56 Sutter Buttes 56 Mount Bierstadt 56 Aravaipa Canyon 56 buttes 56 rocky crags 56 volcano lava dome 56 ridge 56 Sawatch 56 Pavlof 56 talus slope 56 Mount Lemmon Highway 56 lava oozing 56 Quandary Peak 56 Verdugo Mountains 56 Halemaumau crater 56 Arenal Volcano 56 Tecolote Canyon 56 Na Pali coast 56 Mount Tarawera 55 North Kaibab Trail 55 Elkhorns 55 Fourteener 55 Mount Sneffels 55 Mount Karthala 55 Ouray Ice Park 55 Mount Lemmon Cafe 55 Pu ` 55 aspen trees 55 Maroon Bells Snowmass 55 pumice plain 55 Vermillion Cliffs 55 Fryingpan Valley 55 Gulf Hagas 55 calderas 55 Lamoille Canyon 55 volcanic cone 55 Perseverance Trail 55 Foresthill Divide 55 sandstone formations 55 Lava Butte 55 Horsetooth Rock 55 Mount Fujiyama 55 Chile Chaiten volcano 55 Hiker survives 55 Sisquoc River 55 Hebgen Lake 55 Bridalveil Fall 55 Haleakala Crater 55 pinon pines 55 Perito Moreno glacier 55 alpenglow 55 Shoshone Falls 55 glacier 55 Mount Baldy 55 Mount Burdell 55 above treeline 55 Rincon Mountains 55 Mogollon Rim 55 Skyforest 55 Las Trampas Regional 55 alpine peaks 55 Mount San Jacinto 55 Maui Haleakala volcano 55 Medano Creek 55 spruce fir forest 55 Peak Lookout 55 Cuyamaca Mountains 55 Old Faithful Geyser 55 Blanca Peak 55 bristlecone pines 55 Transantarctic Mountains 55 Bridger Mountains 55 forested hillside 55 cliffsides 55 Turnagain Pass 55 volcanic crater 55 Mendenhall Glacier 55 Ponderosa pines 55 Mount Diablo 55 craggy mountain 55 Llaima volcano 55 Cordillera Blanca 54 verdant hillsides 54 El Diente 54 Cap Wilderness 54 Palomar Mountain 54 Montaña de Oro 54 Bitterroot Mountains 54 Craggy Gardens 54 Ecological Reserve 54 aspens 54 subalpine 54 mixed conifer forests 54 Whiskeytown Lake 54 Haleakala volcano 54 Bridalveil 54 Grottos 54 Bridalveil Falls 54 Wawona Tunnel 54 Vernal Fall 54 Cataract Canyon 54 Garibaldi Provincial 54 Modoc Plateau 54 wooded slopes 54 Pu'u O'o 54 alpine meadow 54 Mount Pinos 54 rhododendron thickets 54 San Jacinto Mountains 54 alpine slopes 54 Huachucas 54 volcanic caldera 54 Sawmill Own 54 Briceburg 54 sandstone cliffs 54 Nacimiento Fergusson Road 54 Emigrant Pass 54 Columbia Icefield 54 bristlecone pine 54 Stansbury Mountains 54 Glacier Peak Wilderness 54 Havasu Canyon 54 Loup Loup 54 mountain meadows 54 Sneffels 54 Sierra Negra 54 Boar Tusk 54 Paulina Peak 54 moderately strenuous 54 Kilauea summit 54 Spearfish Canyon 54 Grizzly Gulch 54 cog railway 54 Tehachapis 54 Keswick Dam 54 Carrizo Plain 54 Halemaumau 54 Crater Lake 54 massifs 54 lava flow 54 Las Trampas 54 craggy peaks 54 Mount LeConte 54 tarns 54 Augustine Volcano 54 slickrock 54 Desolation Wilderness 54 Khumbu Glacier 54 Absaroka Beartooth Wilderness 54 Maroon Bells 54 Santa Monicas 54 Eyjafjallajökull glacier 54 limber pine 54 snowcap 54 receding glacier 54 Exit Glacier 54 Baldy Peak 54 glacial moraines 54 Rim Trail 54 icefalls 54 solidified lava flows 54 Mount Katahdin Maine 54 Boulder Flatirons 54 redwood forest 54 Emigrant Wilderness 53 Mailbox Peak 53 Nyiragongo 53 volcano Olympus Mons 53 Uintas 53 Diablo Range 53 alpine lakes 53 Mount Chocorua 53 Mattole River 53 Gunks 53 Kachina Peak 53 Rockslides 53 Gocta 53 Wet Mountains 53 lava spewing 53 Kunlun Mountains 53 Santa Catalina Mountains 53 Tenaja 53 Kilauea caldera 53 Parowan Gap 53 rocky slopes 53 Kilauea eruption 53 Crest Trail 53 Fossil Butte 53 granite outcroppings 53 lava flowing 53 Kamoamoa eruption 53 Cliff Dwellings 53 Disappointment Cleaver 53 Kolob Canyons 53 Hickory Nut Falls 53 Martis Peak 53 Grizzly Peak 53 snowfield 53 Matanuska Glacier 53 Gullfoss 53 quaking aspens 53 Imnaha River 53 escarpments 53 scenic waterfalls 53 Coachella Valley Preserve 53 Painted Desert 53 Mount Shasta 53 giant redwoods 53 Polebridge 53 Superstition Mountains 53 lava tube 53 Sangres 53 Colorado fourteeners 53 Cuchara 53 Crater Rim Drive 53 lava eruptions 53 switchback trail 53 sandstone buttes 53 subalpine meadows 53 Montezuma Castle 53 Dhauladhar range 53 Tianshan Mountains 53 midmountain 53 supervolcano 53 spews ash 53 Abajo Mountains 53 Pacaya Volcano 53 Avalanche Gulch 53 craggy granite 53 Delicate Arch 53 Meager Creek 53 Mont Blanc massif 53 precipitous cliffs 53 wildflowers bloom 53 Na Pali Coast 53 extinct volcanoes 53 Himalaya Mountains 53 Vallee Blanche 53 Redoubt volcano 53 Ohlone Wilderness 53 caldera 53 Cape Alava 53 Mattole 53 Khumbu glacier 53 Climber rescued 53 conifer forest 53 Goodan Ranch 53 Hells Canyon 53 Peavine Mountain 53 Mount Sopris 53 West Camino Cielo 53 red sandstone cliffs 53 wildflower blooms 53 Glacier Gorge 53 rock outcroppings 53 snowcapped peaks 53 Sicily Mount Etna 53 Weminuche 53 Tahquitz Canyon 53 Rabbit Ears Pass 53 Lake Cuyamaca 53 Donner Lake 53 Indian Peaks Wilderness 53 Hawaii Volcanoes 53 Chisos Basin 53 Clingman Dome 53 Pasayten 53 picturesque waterfall 53 breathtaking vista 53 Maroon Bells wilderness 53 Rampart Range 53 butte 53 quaking aspen 53 Mayacamas Mountains 53 Mount Zirkel Wilderness 53 Matilija 52 blooming wildflowers 52 Nisene Marks 52 steep switchback 52 Giant Sequoias 52 Plumas Eureka State 52 Grímsvötn 52 wildflower bloom 52 juniper forests 52 Madera Canyon 52 Rillito River 52 Redfish Lake 52 Buchaille Etive Mor 52 Santa Rosa Mountains 52 Ape Cave 52 Napau 52 Mount Ruapehu 52 Mount Teide 52 cragged 52 Sangre de Cristo Mountains 52 Sakurajima 52 Ohanapecosh 52 Mount Sanitas 52 steep canyon 52 madrone trees 52 Chiricahua Mountains 52 Campsite reservations 52 massif 52 Volcán 52 steep gorges 52 granite outcrops 52 Pocono Plateau 52 Lake Lahontan 52 Mtns 52 Kaweah River 52 Kirishima range 52 Cuyamaca Rancho 52 San Pasqual Valley 52 glacial moraine 52 Palm Springs Aerial Tramway 52 forested slopes 52 Prescribed burn 52 Newhalem 52 Borah Peak 52 Karthala 52 tufa towers 52 Hermit Rest 52 Beartooth Highway 52 Marias Pass 52 Emigrant Trail 52 rocky bluffs 52 Sierra Madre Mountains 52 Tabeguache 52 Mont Blanc Massif 52 Grímsvötn volcano 52 Gokyo 52 mountain 52 Rockfalls 52 Buckhorn Canyon 52 Squaw Pass 52 Hellhole Canyon 52 Tanana Flats 52 Naches River 52 Northstar ski resort 52 Toketee 52 Selkirk Mountains 52 giant sequoia trees 52 grassy balds 52 Heavenly ski resort 52 mossy forest 52 Tahoe ski resort 52 Toutle River 52 giant sequoia tree 52 Mount Pulag 52 piñon juniper 52 ponderosa pine forests 52 Gullfoss waterfall 52 Targhee Pass 52 Zaca Fire 52 forested ridge 52 Aztec Ruins 52 Maligne Lake 52 El Teide 52 Steens Mountain 52 atop Mount Lemmon 52 Interpretive Trail 52 Kolob Canyon 52 Painted Cave 52 rugged hills 52 Kokee 52 Kachina Trail 52 Ponderosa pine forest 52 mesa tops 52 towering redwoods 52 Halema'uma'u Crater 52 Sabino Canyon 52 Vermilion Cliffs 52 Kasatochi 52 Zion Canyon 52 erupting lava 52 jagged peaks 52 Pulag 52 Sundial Bridge 52 Boreal Ski Resort 52 evergreen forests 52 towering cliffs 52 Nyamulagira 52 Grimsvötn 52 Manastash 52 Ngauruhoe 52 driftless area 52 sandstone canyons 52 Dragoon Mountains 52 Climbers Rescued 52 Kintla Lake 52 Marys Peak 52 Olallie Lake 52 South Kaibab Trail 52 Redoubt Volcano 52 rock ledges 52 Greenhorn Gulch 52 lava 52 Poudre Canyon 52 Sierraville 52 Tuzigoot 52 rocky hillsides 52 Rannoch Moor 52 Brushy Peak 52 Sepulveda Dam 51 raged untamed 51 grassy meadows 51 pinon pine 51 steep switchbacks 51 terminal moraine 51 rabbitbrush 51 Shiveluch 51 Firehole River 51 Topa Topa 51 Huntington Ravine 51 Skilak Lake 51 Hawai'i Volcanoes National 51 Slickrock 51 Baboquivari Peak 51 Bodie Hills 51 dormant volcanoes 51 Matanuska River 51 Marble Mountains 51 Clarkia 51 Tres Piedras 51 cataclysmic eruption 51 Engelmann spruce 51 Pinkham Notch 51 Valles Marineris 51 Halemaumau Crater 51 Kirkwood Ski Resort 51 Icefield 51 icecap 51 verdant slopes 51 Loowit 51 Puget Sound lowlands 51 Monterey cypress 51 snowcapped 51 Flat Tops 51 Uvas Canyon County 51 La Veta Pass 51 Geminid Meteor Shower 51 Cascade Range 51 Markleeville 51 boulder strewn 51 rocky ridges 51 Piton de la 51 pine forested mountains 51 Volcan Mountain 51 Mokelumne Wilderness 51 Cristo Mountains 51 Pantoll 51 Swiftcurrent 51 Hekla 51 Molas Pass 51 lava flows 51 Arthur Seat 51 Peninsular bighorn sheep 51 Wasatch Mountain 51 Aletsch 51 Hawaii Kilauea volcano 51 glaciers receded 51 Sawtooth Mountains 51 Anza Borrego 51 snowcaps 51 scenic overlooks 51 Syrtis Major 51 Kalalau Trail 51 Trinity Alps 51 Tomales Point 51 Vernal Falls 51 Colima volcano 51 Mingus Mountain 51 Toketee Falls 51 Wildfire Near 51 Snowbird Ski Resort 51 conifer forests 51 Pahranagat 51 majestic waterfalls 51 treeless landscape 51 rocky ridge 51 vine maples 51 Mount Lemmon Ski 51 mountain ranges 51 Tepozteco 51 Wasatch Range 51 Rattlesnake Ridge 51 Mount Lemmon 51 Taughannock Falls 51 Lake Cheko 51 rocky ledges 51 Sierra Madres 51 dormant volcano 51 Lefthand Canyon 51 Uncompahgre River 51 Prescribed burn planned 51 Yosemite 51 Yellowstone geysers 51 Mt Baldy 51 Cuyamaca Rancho State 51 belched ash 51 Climber survives 51 Pecos Wilderness 51 Jedediah Smith 51 scenic hiking trails 51 Multnomah Falls 51 Longs Peak 51 Uncompahgre Plateau 51 Switchback Trail 51 Gila Wilderness 51 seaside cliffs 51 Cayuse Pass 51 wooded terrain 51 Fimmvorduhals 51 Gros Piton 51 Washakie Wilderness 51 volcanic mudflow 51 Elkhorn Mountains 51 Camels Hump 51 Methow River 51 deep gorges 51 volcano 51 Blithedale Ridge 51 Foxen Canyon Road 51 limestone bluffs 51 Marmolada 51 Unaweep Canyon 51 Harding Icefield 51 mesa overlooking 51 Horsethief Canyon 51 Turnagain Arm 51 Gaviota Pass 51 Illumination Saddle 51 fault scarp 51 Lake Fulmor 51 Sawtooths 51 Kahiltna 51 Santa Ritas 51 snowy peaks 51 Vedauwoo 51 glaciers recede 51 Sierras 51 Cowiche Canyon 51 manzanita 51 Tule elk 51 Big Basin Redwoods 51 basalt columns 51 Cape Foulweather 51 Horsethief Butte 51 desolate expanse 51 Mount Nyamulagira 51 snowshoed 51 Icefields Parkway 51 Ninemile 51 Tahquamenon Falls State 51 Mount Elden 51 Everest Lhotse 51 Blewett Pass 51 Kittatinny Ridge 51 grassy hillsides 51 Cohos Trail 51 Ute Pass 51 valley 51 Pink Beds 51 geyser basins 51 Rattlesnake Mountain 51 Limantour Beach 51 tule fog 51 hemlock grove 51 Champoeg State 51 glaciers 51 North Fork Toutle 51 Rimforest 51 towering cottonwoods 51 Baldy Mountain 50 gently sloping hill 50 Frijoles Canyon 50 limestone outcrops 50 East Vail Chutes 50 limestone cliff 50 Grizzly Peak Boulevard 50 Tallulah Gorge 50 gulches 50 Napau Crater 50 Arenal volcano 50 Fourteeners 50 Gambel oak 50 scree slopes 50 GLOF 50 Jalama Beach 50 Santa Clarita valleys 50 Yaquina Head 50 Courtright Reservoir 50 Colorado Fourteeners 50 redwood groves 50 Ansel Adams Wilderness 50 Badger Pass 50 ponderosa pines 50 frontcountry 50 Emmons Glacier 50 Wildfire erupts 50 Fallen Leaf 50 Talkeetna Mountains 50 Kancamagus Highway 50 Pawnee Buttes 50 Mont Sainte Victoire 50 Chimney Pond 50 Pastoruri 50 shortgrass prairie 50 Popocatepetl 50 canyon rim 50 shady grove 50 Ol Lengai 50 Chogolisa 50 Rimrocks 50 Mount Jumbo 50 glaciated 50 Kilauea volcano 50 knoll overlooking 50 Mount Waialeale 50 Minya Konka 50 Wenaha Tucannon Wilderness 50 Buttes 50 gurgling streams 50 Mount Umunhum 50 Cosumnes River Preserve 50 Wildfire threatens 50 Bighorn Mountains 50 dry chaparral 50 Aerial Tram 50 Feather River Canyon 50 creek drainages 50 Big Tujunga Dam 50 granite peaks 50 Conkle Hollow 50 Hawaiian Volcanoes 50 Devil Throat 50 magnificent vistas 50 chaparral covered 50 Kata Tjuta 50 Taklimakan 50 Capricorn Glacier 50 www.nps.gov yose 50 balsamroot 50 Ubinas volcano 50 fourteeners 50 Santa Rosa Plateau 50 sparsely vegetated 50 volcanic craters 50 rugged canyons 50 Creek Trailhead 50 Martian volcanoes 50 Matilija Canyon 50 ancestral Puebloan 50 treeline 50 Shawangunk Mountains 50 Wrangell Mountains 50 ridges 50 Moses Coulee 50 Arrowbear Lake 50 Columbia Icefields 50 glacial lake 50 Shinmoedake 50 Ingraham Glacier 50 overhanging cliffs 50 Mount Bosavi 50 Aerial Tramway 50 Eightmile 50 Hyalite 50 Grassy Ridge 50 Ammonoosuc River 50 hilly rocky 50 DeBeque Canyon 50 mountainscape 50 Yolla Bolly 50 Yellowstone supervolcano 50 glade skiing 50 pinyon pine 50 milk vetch 50 towering Douglas firs 50 Davidson Seamount 50 Sandia Crest 50 Gila Cliff Dwellings 50 Rist Canyon 50 Blacktail Mountain 50 Palouse Falls 50 Vatnajökull 50 Usery Mountain Regional 50 eruptive activity 50 sparse vegetation 50 Carquinez Strait 50 terraced hillsides 50 snowcapped peak 50 Gulch Trail 50 Quaking Aspen 50 Durrand Glacier 50 Gilf Kebir 50 Colima Volcano 50 Olompali 50 ancient Inca ruins 50 Perito Moreno 50 San Bernardinos 50 Mayacamas 50 oak woodland 50 Pilarcitos 50 wooded ridges 50 Elkhead 50 alpine valleys 50 granite outcrop 50 Coire na 50 Hiker Rescued 50 Manitou Incline 50 hillside 50 pinyon 50 Great Smoky 50 sagebrush steppe 50 scorched hillsides 50 mixed conifer 50 Umunhum 50 Reventador 50 Mariana Arc 50 ponderosa forest 50 Ben Lawers 50 La Garita 50 Nojoqui Falls 50 cirques 50 Creek drainages 50 desert playa 50 Uncompahgre Gorge 50 Simi Hills 50 Mohave Desert 50 Sahale 50 Heavenly Gondola 50 avalanche chutes 50 Los Glaciares National 50 Dupuyer Creek 50 Squaw Mountain 50 Hiker Missing 50 Oheo Gulch 50 Kantishna 50 ridgetop 50 Andrew Molera State 50 Bear Gulch 50 redwood grove 50 Niwot Ridge 50 Mount Etna 50 snowcapped volcano 50 Togwotee Pass 50 Picacho Peak 50 La Bajada 50 Hoh River 50 Alsek 50 Aldo Leopold Wilderness 49 waterfall cascades 49 ponderosas 49 Okmok Volcano 49 Evaro Hill 49 Tianshan Mountain 49 Kintla 49 snowslide 49 Snowboarder dies 49 Ponderosa Pines 49 Montezuma Bowl 49 Enchantment Lakes 49 Western Cwm 49 Thermalito Forebay 49 hills 49 Sweetwater Mountains 49 towering ponderosa pines 49 Meteor Crater 49 Montserrat volcano 49 Camp Schurman 49 heavily timbered 49 Snoqualmie Falls 49 Tuckerman Ravine 49 Winchuck River 49 Dhauladhar ranges 49 gentle rolling hills 49 fissure eruption 49 snowcapped Apennines tallest 49 mountain lava dome 49 Virunga volcanoes 49 Cairn Gorm 49 Tieton River 49 unroped 49 subalpine fir 49 Vara Blanca 49 lush meadows 49 Colockum 49 Chilkoot Trail 49 noon Mendenhall Glacier 49 Cachuma Lake 49 alpine meadows 49 Mount Yasur 49 alpine terrain 49 Silverwood Lake 49 Sierra Nevada 49 Arethusa Falls 49 Quechee Gorge 49 Ice Caves 49 Miwok Trail 49 leaf maples 49 Upper Geyser Basin 49 Uncompahgre 49 Dune Climb 49 Panoramic Highway 49 Neahkahnie Mountain 49 Hoh Rain Forest 49 Baldface 49 flowery meadows 49 Mount Batur 49 Medano Fire 49 lava fountains 49 Shivaliks 49 Palo Corona 49 Kolob 49 Bitterroot Range 49 Shinmoedake volcano 49 Olancha 49 Cumbre Vieja 49 Hogback Mountain 49 Moyie River 49 coastal bluffs 49 mature lodgepole pine 49 Kolob Arch 49 Bald Mountain 49 Peavine Peak 49 Manti La Sal 49 Rattlesnake Wilderness 49 Loop Trail 49 hardened lava 49 steep ravines 49 Ecola State 49 Tillamook Burn 49 windswept dunes 49 Pack Monadnock 49 Chaitén volcano 49 Palmer Snowfield 49 backcountry terrain 49 Mauna Loa volcano 49 Uvas Canyon 49 climbs steeply 49 Misty Fjords National 49 Wuksachi Lodge 49 Hiking Trail 49 Malakoff Diggins 49 Saddle Peak 49 esker 49 columnar basalt 49 horseshoe shaped crater 49 wooded bluffs 49 Iceland Eyjafjallajökull 49 Cape Perpetua 49 Santa Rosa Plateau Ecological 49 gushing waterfalls 49 barren expanse 49 Horstman Glacier 49 Mt Ngauruhoe 49 hoary marmots