Lakes / Utah / Summit County

Lakes in Summit County, Utah

33 lakes counted in Summit County - the largest is Echo Reservoir at 1,410.54 acres.

Lakes Counted

1,410.54 acres

Largest - Echo Reservoir

Summit County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Echo Reservoir	Summit	1,410.54 acres	-
2	Rockport Lake	Summit	1,056.15 acres	-
3	Stateline Reservoir	Summit	263.41 acres	-
4	Smith and Morehouse Reservoir	Summit	193.54 acres	-
5	Hoop Lake	Summit	171.99 acres	-
6	Red Castle Lake	Summit	166.05 acres	-
7	Whitney Reservoir	Summit	145.59 acres	-
8	Island Lake	Summit	111.96 acres	-
9	Washington Lake	Summit	96.87 acres	-
10	Beaver Meadow Reservoir	Summit	82.27 acres	-
11	Tamarack Lake	Summit	75.37 acres	-
12	Wall Lake	Summit	71.41 acres	-
13	Trial Lake	Summit	64.99 acres	-
14	Lost Lake	Summit	62.02 acres	-
15	Boyer Lake	Summit	58.08 acres	-
16	Fish Lake	Summit	56.07 acres	-
17	Lower Red Castle Lake	Summit	43.49 acres	-
18	Amethyst Lake	Summit	42.19 acres	-
19	Barker Reservoir	Summit	40.03 acres	-
20	Fish Lake	Summit	37.81 acres	-
21	Lyman Lake	Summit	37.07 acres	-
22	Beaver Lake	Summit	35.75 acres	-
23	Marsh Lake	Summit	35.73 acres	-
24	Long Lake	Summit	33.11 acres	-
25	Cliff Lake	Summit	33.03 acres	-
26	Fish Lake	Summit	32.1 acres	-
27	Big Elk Lake	Summit	31.88 acres	-
28	Lake Blanchard	Summit	30.12 acres	-
29	Meadow Lake	Summit	29.73 acres	-
30	China Lake	Summit	27.1 acres	-
31	Coffin Lake	Summit	26.2 acres	-
32	Smiths Fork Pass Lake	Summit	25.95 acres	-
33	Upper Red Castle Lake	Summit	25.7 acres	-

Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.