thickets

impenetrable

Impossible to pass through

• overgrownExcessively covered in vegetation
• tangledTwisted confusedly together
• undergrowthLow forest vegetation

bramble · scrub · underbrush · vegetation · copse · grove · shrubbery · leafy · bosky · choked

tangled

Twisted confusedly together

• vinesClimbing, trailing plants
• snarlsGrowls or knots
• meshInterlocking open weave

maze · intricate · twisted · interwoven · snagged · entwined · knotted · woven · intertwined · labyrinthine

backcountry

Sparsely populated wilderness areas

• wildsRemote, uninhabited areas
• untamedNot domesticated
• jungleDense tropical forest

remote · bushwhacking · trailless · pathless · overgrowth · expedition · hinterland · bushland · outback · scrublands

ecosystem

Interconnected organisms and surroundings

• undergrowthLow forest vegetation
• woodlandForested land area
• forestTree-dense ecosystem

scrubland · cover · nesting · birdsong · rabbits · quail · deer · pheasant · wildlife · foraging

hideaway

Secluded place of refuge

• shelterProtected place or structure
• havenShelter from danger
• retreatSanctuary or withdrawal

cover · seclusion · protection · hideout · concealment · camouflage · ambush · hiding · skulking · lurking

• foresttrees, pine, oak, woods, wood
• Forest Termsoak, pine, spruce, fir, cedar
• dark forestshadows, gloom, moonlight, owls, wolves
• forest imageryforests, woodlands, trees, groves, glades
• forest trailstrail, trails, hiking trail, dirt trail, nature trail
• wildernesswilderness area, wilds, backcountry, back country, backwoods