Obsidian Lake Fishing in Park County, Wyoming

• Overview

  You will find Obsidian Lake in Park County, Wyoming. The water sits 7,717 feet up. This is a pocket water of some 19 acres, and every part of it is reachable from the bank. Supplies mean a trip to West Yellowstone, 23 miles off. For a city, Billings is 126 miles off. Neighbouring water: Beaver Lake (1.7 miles), Lake of the Woods after 2.6 miles, Grizzly Lake (3.5 miles), Twin Lakes after 4.6 miles and Swan Lake (5.7 miles). There is no boundary nearby to worry about.

• Where to Fish on Obsidian Lake

  Nothing we hold settles how deep this runs. The shallow end warms first and pulls fish in ahead of the rest. Still water like this holds fish on the edges rather than out in the open. Open biodiversity records for Park County list brook trout, rainbow trout and brown trout. County data is a starting point rather than a guarantee. Obsidian Lake gives up its fish to patience rather than distance.

• Seasonal Patterns

  July runs about 55°F on average, January about 14°F. The year splits cleanly: hard water, then open water. Ice is part of the season here, ending near mid May. Break-up sits around mid May on average, with the water closing again about mid November. Just after the ice goes and just before it returns, the fishing lifts. That shapes the year on Obsidian Lake.

• Tackle & Baits

  Access is not recorded for this water. No car park, ramp or path is recorded within easy reach of the shore. For the trout, small spinners and a box of nymphs cover both approaches. A phone call first saves an afternoon. A polite question at the farm gate opens more banks than anything else. Beaver Lake, 1.7 miles away, makes the obvious fallback. Where Obsidian Lake is concerned, a local answer beats a written one.