Deciding between Grand Canyon and Yosemite? For dogs, Grand Canyon rates B and Yosemite rates D. Grand Canyon has 7 hand-verified trails (2 dog-friendly); Yosemite has 7 (1). Here's the full side-by-side, pulled from our own data.
| What matters | Grand Canyon | Yosemite |
|---|---|---|
| Dogs (pet policy) | B Dogs on many trails | D Roads & campgrounds |
| Trails mapped | 7 | 7 |
| Dog-friendly trails | 2 | 1 |
| Youngest kid trail | age 0+ | age 3+ |
| Timed entry / permits | Permit required, Lottery | Lottery, Timed-entry reservation |
| Park shuttle | Yes | Yes |
| Heat / altitude fueling | Yes | — |
| Activities mapped | 4 | 4 |
| Weather now | 52°F · Mostly Clear | 48°F · Clear |
DATA · NPS + NOAA + HAND-CURATION · VERIFY CLOSURES AT NPS.GOV
Grand Canyon — it grades B on our A–D pet-policy scale (dogs on many trails), while Yosemite grades D (roads & campgrounds).
Grand Canyon — its age-rated trails start at 0+, versus 3+ at the other park.
Grand Canyon has: lottery, permit required. Yosemite has: lottery, timed-entry reservation. Details and official booking links are in the table above.