| SUMMIT | Apex or acme of anything such as a mountain or of success; or, an assembly of government leaders (6) |
| STREAM | A beck, brook, burn, rivulet or other small natural body of running water; or, a flow of anything, such as gas, internet data, meteors, money into a business, people or words (6) |
| PEAK | The pointed top of something, such as a mountain or a meringue (4) |
| LOP | Cut off the top of anything, such as to prune a small limb off a shrub or tree (3) |
| FELL | High, barren landscape feature, such as a mountain or moor-covered hill (4) |
| AUGHT | Anything such as a naughty bit |
| TOP | Apex or acme (3) |
| NYMPH | Female spirit such as a mountain oread, tree dryad, sea nereid or river naiad (5) |
| CULMINATE | Reach the peak, or acme, until beaten (9) |
| TIP | Word, from rogues' cant for a topping off or finishing touch, for a gratuity, pourboire or service reward that winds up a meal or kindly polishes off a good supper; a clue, hint or "wink"; an apex; or |
| CONQUEST | Achievement of victory through a form of combat whose name is linked to a horse chestnut or "cheeser" used in a playground battle; a successful ascent of a mountain; or, the act/art of gaining a perso |
| HELM | Old word for an armoured hat; something reminiscent of this, such as a guinea-fowl's crown or a cloud capping a mountain; or, a tiller for steering, hence a position of control (4) |
| LANDSLIP | Movement of a large mass of rock material or soil down the side of a mountain or cliff (8) |
| LANDSLIDE | The slipping of a large mass of rock material or soil down the side of a mountain or cliff (9) |
| ASCENT | A climb or hike to the summit of a mountain, or; a bike ride up a col (6) |
| VERTEX | From the Latin for "summit", word for the highest point, such as an astronomical zenith, crown of the head, geometric apex or peak (6) |
| EYRIE | The nest of a bird of prey, especially that of an eagle on a mountain or cliff (5) |
| FOOTHILL | A low feature at the base of a mountain or mountain range (8) |
| ATTEMPT | Word for an endeavour to summit a mountain or to surpass a record; or, an effort or try generally (7) |
| MEDIOCRE | From "halfway up a mountain" or "somewhat rugged/mountainous", a word meaning "of middle height or degree" originally, later "average, ordinary, rather inferior, so-so" (8) |
