Terrain Feature

 Hills [hills] Mountains [mountains] Forest [forest]Plains [plains] Swamp [swamp] Desert [desert] Coast [coast] 

1,bluff 1,butte 1,cave, fracture 1,cave, lava tube 1,cave, limestone 1,cave, talus 1,crag 1,cuesta (w/ cliff) 1,dell 1,draw 1,escarpment 1,esker 1,glen 1,gulch 1,hillock/knoll 1,lake 1,lava dome 1,lava lake 1,limestone pavement 1,mesa 1,plateau 1,pond 1,rock outcropping 1,rock shelter 1,spring, artesian 1,spring, hot 1,strath 1,terrace 1,tor 1,well
 * hills

1,bluff 1,cave, fracture 1,cave, lava tube 1,cave, limestone 1,cave, talus 1,cliff 1,crag 1,crater lake 1,dry lake 1,fluvial terrace 1,geyser 1,gorge 1,gulch 1,hoodoo (tent rock) 1,kettle (lake) 1,lava dome 1,lava lake 1,ledge 1,mountain pass 1,natural arch 1,pseudocrater 1,ravine 1,ridge 1,rock shelter 1,spring 1,summit 1,valley 1,volcanic cone 1,volcanic crater 1,volcanic vent
 * mountains

1,brook 1,cave, fracture 1,cave, limestone 1,cave, talus 1,clearing (natural) 1,cloud forest (fog) 1,copse 1,crooked trees 1,dead forest 1,den tree 1,forked trees 1,gully 1,grotto 1,heavy canopy 1,heavy underbrush 1,lake 1,primeval forest 1,pond 1,rock outcropping 1,rock shelter 1,rot, widespread 1,sinkhole 1,spring, artesian 1,spring, hot 1,stream 1,sylvan grove 1,sylvan forest 1,thicket 1,well 1,wolf tree
 * forest

1,aquifer 1,butte 1,cave, fracture 1,cave, limestone 1,crater lake 1,dry lake 1,escarpment 1,esker 1,gulch 1,heavy shrubs 1,heavy underbrush 1,hillock/knoll 1,lake 1,lava dome 1,limestone pavement 1,mesa 1,mud pits 1,plateau 1,pond 1,ridge 1,riparian zone 1,rock outcropping 1,rock shelter 1,sinkhole 1,strath 1,tar pit 1,thicket 1,tor 1,vernal pool 1,well
 * plains

1,crooked trees 1,cypress dome 1,dam, natural 1,heavy algae 1,heavy canopy 1,heavy mossing 1,heavy muck 1,heavy pathogens, air 1,heavy pathogens, surface 1,heavy pathogens, water 1,heavy plants, ermergent 1,heavy plants, floating 1,heavy plants, submerged 1,island, small 1,island, medium 1,island, large 1,islands, small (scatters) 1,natural gas vent† 1,marsh gas† 1,mud flat 1,quicksand 1,rocky area 1,rot, widespread 1,shallow water 1,slough/channel 1,spring, acidic hot 1,tar pit 1,turbid water 1,volcanic vent 1,volcanic vent w/ tuff ring
 * swamp

1,aquifer 1,bedrock outcrop 1,bluff 1,butte 1,cacti 1,cave, limestone 1,cave, talus 1,chasm 1,crag 1,crater lake, dry 1,cuesta (w/cliff) 1,dunes 1,escarpment 1,eskar 1,gulch 1,hoodoo (tent rock) 1,mesa 1,limestone pavement 1,quicksand 1,oasis 1,pediment 1,playa 1,rock shelter 1,sailing stones 1,sinkhole 1,shrubs 1,terrace 1,trees 1,valley 1,well, dry
 * desert

1,barachois 1,bay 1,bight 1,blowout 1,bog 1,cave, sea 1,coastal dunes 1,cove 1,estuary 1,firth 1,fjord 1,kelp bed (subtidal) 1,lagoon 1,lake/loch 1,marine meadow 1,mangrove swamp 1,mud flat 1,quicksand 1,rocky shore 1,sand beach 1,sand flat 1,salt flat 1,salt marsh 1,salt meadow 1,salting 1,sea loch (inlet) 1,seabed (subtidal) 1,shingle beach 1,pebble beach 1,tide pool
 * coast