| Maximum Lake Depth | 1,932 ft. |
| Shallowest Lake Depth | 15 to 25 feet at Phantom Ship dike |
| Average Lake Depth | 1,500 ft. |
| Maximum Lake Width | 6.02 miles |
| Minimum Lake Width | 4.54 miles |
| Lake Surface Area | 21 sq. miles or 13,760 acres |
| Lake Surface Elevation | 6,176 ft. |
| Wizard Island Elevation | 6,940 ft. |
| Wizard Island Height above water | 764 ft. |
| Phantom Ship Height above water | 167 ft. |
| Hillman Peak, highest point on rim | 8,151 ft. |
| Mount Scott, highest point in park | 8,929 ft. |
| Union Peak | 7,709 ft. |
| Rim Village Elevation | 7,100 ft. |
| Average Height of rim | 1,000 ft. above lake surface |
| Precipitation, yearly average | 66 in. |
| Snowfall, yearly average | 44 ft. |
| Snow Depth, maximum at Park Headquarters | 21 ft. |