All streets of the mountains lead to the citadel; steep or slow they go up to the core of the hills. Any trail that goes otherwhere must dip and cross, sidle and take chances. Rifts of the hills open into each other, and the high meadows are often wide enough to be called valleys by courtesy; but one keeps this distinction in mind,--valleys are the sunken places of the earth, canons are scored out by the glacier ploughs of God. They have a better name in the Rockies for these hill-fenced open glades of pleasantness; they call them parks. Here and there in the hill country one comes upon blind gullies fronted by high stony barriers. These head also for the heart of the mountains; their distinction is that they never get anywhere.

All mountain streets have streams to thread them, or deep grooves where a stream might run. You would do well to avoid that range uncomforted by singing floods. You will find it forsaken of most things but beauty and madness and death and God. Many such lie east and north away from the mid Sierras, and quicken the imagination with the sense of purposes not revealed, but the ordinary traveler brings nothing away from them but an intolerable thirst.