Private tours
Your own guide, your own pace, priced per group rather than per person on most listings.
Prices run from $49 to $1760, and half of the 66 priced listings cost $397 or less. Most take 2 hours to 6 hours. The best reviewed with at least 100 reviews is Hollywood Sign Hiking Tour to Griffith Observatory (4.9 from 106 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Los Angeles, or the experiences overview.